In this October 21, 2015, file photo, a young man rides a hoverboard along a Manhattan street toward the Empire State Building in New York. More than 500,000 hoverboards are being recalled after reports that they can burst into flames. The Consumer Product Safety Commission said Wednesday, July 6, 2016, it has received 99 reports of battery packs in the two-wheel motorized scooters catching fire or exploding that causing burns or property damage. The recalled hoverboards were made by eight companies. (Photo by Kathy Willens/AP Photo)





Pedestrians cross Main Street in downtown Harrisonburg, Va., after a sudden downpour begins to taper off Thursday, June 23, 2016. Heavy rainfall has caused flooding in other parts of the state. (Photo by Daniel Lin/Daily News-Record via AP Photo)





This June 18, 2016, file photo shows Police escorts leading out the start of the “New Orleans Pride” parade, a gay pride parade, in New Orleans. Organizers expect big crowds and authorities plan tight security for Cincinnati's parade and festival events celebrating Gay, Lesbian, Bisexual and Transgender Pride Month. The celebration will occur amid the same kind of increased security put in place last weekend at gay pride events in more than a half dozen cities, including Chicago, Denver and New Orleans. (Photo by Gerald Herbert/AP Photo)





A visitor to the Brooklyn Bridge park jumps between the letters in Deborah Kass' sculpture OY/YO, Thursday, June 30, 2016, in New York. (Photo by Mary Altaffer/AP Photo)





Women chat in the Penn North neighborhood of Baltimore, Thursday, June 23, 2016, near the site of unrest following the funeral of Freddie Gray. Officer Caesar Goodson, one of six Baltimore city police officers charged in connection to the death of Gray, was acquitted of all charges in his trial Thursday. (Photo by Patrick Semansky/AP Photo)





Clients of bicycle sharing service Citi Bike and others wait for a traffic light to turn green along Ninth Avenue in Manhattan, New York, U.S., June 15, 2016. (Photo by Rickey Rogers/Reuters)





A girl watches as firefighters douse a burning car at the entrance to the outbound Lincoln Tunnel that caused the closure of the tunnel and snarling Friday rush hour traffic in Manhattan, New York, U.S., June 17, 2016. (Photo by Mike Segar/Reuters)





Participants of the Mermaid Parade arrive in a subway station in Brooklyn, New York June 18, 2016. The annual parade, founded in 1983, seeks to bring mythology to life for residents, create confidence in the district and to allow artistic self-expression in public, according to the parade's website. (Photo by Eduardo Munoz/Reuters)





A man rides his bicycle past a heavily modified car with a John Deere logo in Orlando, Florida, U.S., June 20, 2016. (Photo by Carlo Allegri/Reuters)





Palm Springs resident Benito Almojuela takes a selfie near a thermometer sign which reads 125 degrees in Palm Springs, California, U.S. June 20, 2016. (Photo by Sam Mircovich/Reuters)





Costumed characters take tips after taking photographs with tourists in Times Square while working within new zones designated for street performers to solicit tips for their services in New York, U.S., June 21, 2016. (Photo by Lucas Jackson/Reuters)





People cool off in fountain on the Rose Kennedy Greenway on summer afternoon in Boston, Massachusetts, U.S. June 21, 2016. (Photo by Brian Snyder/Reuters)





Members of the U.S. Army monitor the departures area at John F. Kennedy international Airport in the Queens borough of New York, U.S., June 29, 2016. (Photo by Andrew Kelly/Reuters)





One member of a herd of Nubian goats walks in front of the Manhattan skyline as it grazes along the berm of Brooklyn Bridge Park, part of an ecologically friendly way to weed out unwanted vegetation in the Brooklyn borough of New York, U.S., June 29, 2016. (Photo by Andrew Kelly/Reuters)





A woman takes a photo from the newly opened Liberty Park above Liberty Street on the World Trade Center site in the Manhattan borough of New York, U.S., June 29, 2016. (Photo by Andrew Kelly/Reuters)





Local businessman Claude F. Gallello passes through the newly opened Liberty Park above Liberty Street on the World Trade Center site in the Manhattan borough of New York, U.S., June 29, 2016. (Photo by Andrew Kelly/Reuters)





Local resident Rachael Murray poses for a photo by Fran Murray in the newly opened Liberty Park above Liberty Street on the World Trade Center site in the Manhattan borough of New York, U.S., June 29, 2016. (Photo by Andrew Kelly/Reuters)





Juggling fanatic Jeff Mitchell practices in Herald Square with the Empire State Building in the background, in the Manhattan borough of New York City, U.S., June 30, 2016. (Photo by Rickey Rogers/Reuters)





A person dressed up as Sesame Street's Elmo takes a break from charging tourists to photograph themselves with him, at a pedestrian walkway on Times Square, in Manhattan borough of New York City, U.S., June 29, 2016. Picture taken June 29, 2016. (Photo by Rickey Rogers/Reuters)





A U.S. flag flutters in the breeze as fireworks explode during U.S. Independence Day celebrations in Somerville, Massachusetts June 30, 2016, ahead of the July 4th holiday. (Photo by Brian Snyder/Reuters)





A trader works on the floor at the New York Stock Exchange (NYSE) ahead of the July 4 holiday weekend in New York City, New York, U.S., July 1, 2016. (Photo by Andrew Kelly/Reuters)





A U.S. flag is reflected on the floor as passengers make their way through Reagan National Airport at the start of the Independence Day holiday weekend in Washington, U.S., July 1, 2016. (Photo by Kevin Lamarque/Reuters)





A passenger makes his way through Reagan National Airport at the start of the Independence Day holiday weekend in Washington, U.S., July 1, 2016. (Photo by Kevin Lamarque/Reuter





Current champion Miki Sudo (L) poses with competitor Michelle Lesco during the official weigh-in ceremony for the Nathan's Famous Fourth of July International Hot Dog-Eating Contest in Brooklyn, New York, U.S. July 1, 2016. (Photo by Andrew Kelly/Reuters)





Trump supporter Karen Kennedy (L) argues with anti-Trump protestor Andrew Car (R) outside where U.S. Republican presidential candidate Donald Trump was speaking in downtown Denver, U.S. July 1, 2016. (Photo by Chris Schneider/Reuters)





Members of the New York Police Department's Counterterrorism Bureau monitor Times Square as security increases leading up to the July 4 holiday weekend in Manhattan, New York, U.S., July 1, 2016. (Photo by Andrew Kelly/Reuters)





People watch fireworks during the 4th of July Independence Day celebrations at the National Mall in Washington, U.S., July 4, 2016. (Photo by Carlos Barria/Reuters)





People wait for the Macy's 4th of July Fireworks on the East River as it rains in New York, U.S., July 4, 2016. (Photo by Andrew Kelly/Reuters)





A New York City police officer stands guard as Muslims pray during the Eid holiday that marks the end of the Muslim holy month of Ramadan in the Brooklyn borough of New York City, July 6, 2016. (Photo by Stephanie Keith/Reuters)





People pose for photos during the Eid holiday that marks the end of the Muslim holy month of Ramadan in the Brooklyn borough of New York City, July 6, 2016. (Photo by Stephanie Keith/Reuters)





A boy cools off at an open fire hydrant on a hot day in the Washington Heights section of upper Manhattan, New York, U.S., July 6, 2016. (Photo by Mike Segar/Reuters)





A Los Angeles Police Department helicopter flies low over the beach in the Venice neighborhood of Los Angeles, California U.S., July 6, 2016. (Photo by Mario Anzuoni/Reuters)





Mallory Washburn shoots at targets during a firearms training class attended by members of the Pink Pistols, a national pro-gun LGBT organization, at the PMAA Gun Range in Salt Lake City, Utah, U.S., July 1, 2016. (Photo by Jim Urquhart/Reuters)





Customized low rider bicycles are pictured outside Manny's bike shop in Compton, California U.S., June 3, 2016. Picture taken June 3, 2016. (Photo by Mario Anzuoni/Reuters)





In this Wednesday, June 22, 2016 photo, workers guide a boom pouring concrete on top of 3 World Trade Center in New York. Behind them is One World Trade Center. (Photo by Mark Lennihan/AP Photo)





Kayakers and swimmers play on Lady Bird Lake near a bridge, Thursday, June 30, 2016, in Austin, Texas. Lady Bird Lake had been closed to water recreation earlier in the month after heavy flooding and swift currents, but businesses and activities have returned to normal. (Photo by Eric Gay/AP Photo)





Bill Cunningham shooting on the street in New York City from the feature-length documentary, “Bill Cunningham New York”, ( 2010), directed by Richard Press and produced by Philip Gefter. (Photo by First Thought Films)





A member of the media rides down a glass slide during a media preview at the U.S. Bank Tower building in downtown Los Angeles on Thursday, June 23, 2016. Starting this weekend, thrill-seekers can begin taking the Skyslide, a 1,000 feet high slide, perched on the outside of the tallest skyscraper west of the Mississippi. (Photo by Richard Vogel/AP Photo)





A naked man shouts before jumping from the ledge above the TKTS Broadway ticket booth in New York's Times Square, Thursday, June 30, 2016. Police said the man, who was shouting about presumptive Republican presidential nominee Donald Trump, was conscious after the jump of about 16 feet off the booth. (Photo by AP Photo)





Bella Truman, 9 and Zina DeVoe, 9, both of Manhattan, play in the newly opened Liberty Park above Liberty Street on the World Trade Center site in the Manhattan borough of New York, U.S., June 29, 2016. (Photo by Andrew Kelly/Reuters)





Jackie Pinos, 15, of Boynton Beach, Florida joins hundreds of people attending the festivities for Independence Day along constitution avenue in Washington , D.C. on July 4, 2016 (Photo by Marvin Joseph/The Washington Post)





Two men are seen fighting in the street as one man is holding a knife and has a bloodied face and arm,Lafayette and Bleeker Street, Soho, NYC on July 6, 2016. (Photo by Splash News and Pictures)