An unknown number of guns are being built with the mechanisms, causing problems for the police and ATF officials. Photo: An ATF agent holds a generic unfinished receiver, back, and one that has been manufactured, front, at an ATF field office in Washington, on May 06, 2014. The ATF is trying to crack down on the trade in the makeshift guns by targeting shops and individuals who offer to turn the unfinished receivers into functional pieces for firearms. (Photo by Bill O'Leary/The Washington Post)

A team of ten acrobats form the shape of a racehorse crossing the winning post ridden by Stefanie Hofer to celebrate the upcoming Dubai Duty Free Shergar Cup at Ascot Racecourse on July 29, 2014 in Ascot, England. The Dubai Duty Free Shergar Cup is the only team-format raceday in the UK and takes place on 9th August. (Photo by Ian Gavan/Getty Images for Ascot Racecourse)

A teenage girl from the Santa Marta favela slum puts on a pair of high heels for a group debutante ball organized by the Pacifying Police Unit from her neighborhood in Rio de Janeiro, Brazil, Friday, August 29, 2014. The ball, which relied on volunteers who coiffed and made up the girls and a formal wear shop that loaned the dresses, helped build goodwill between pacified favelas' residents and the officers who patrol them. (Photo by Silvia Izquierdo/AP Photo via The Palm Beach Post)

A woman lays dead outside the Redemption Hospital on Saturday September 20, 2014 in Monrovia, Liberia. Ebola patients come to the hospital, which has become a transfer and holding center to intake Ebola patients, but there is no space and some die while waiting outside. Redemption is located in one of the poorest neighborhoods of Monrovia that locals call "New Kru Town”. Health workers are overwhelmed with a constant stream of new patients since the Ebola outbreak. (Photo by Michel du Cille/The Washington Post)

If Kim Kardashian was a feline shed be purr-fect for this new book which features a collection the worlds best cat “selfies”. The furry frames have been compiled by cat owner Charlie Ellis who has scoured the globe for the perfect puss pictures. In his book “Cat Selfies” moggies try their hand at the craze most of their humans have become addicted to posting on social media. And it turns out cats might be better at taking photos than their owners with a variety of poses captioned in the book. (Photo by Charlie Ellis/Caters News)

“Mario Armando Lavandeira, Jr. (born March 23, 1978), better known as Perez Hilton (a play on “Paris Hilton”), is an American blogger and television personality. His blog, Perezhilton.com (formerly PageSixSixSix.com), is known for posts covering gossip items about musicians, actors and celebrities. He is also known for posting tabloid photographs over which he has added his own captions or “doodles”. His blog has garnered negative attention for its attitude, its active “outing” of alleged closeted celebrities and its role in the increasing coverage of celebrities in all forms of media.” – Wikipedia

Photo: Blogger Perez Hilton poses with a wombat during a visit to Taronga Zoo on June 13, 2011 in Sydney, Australia. (Photo by Perezhilton.com via Getty Images)

A groundskeeper uses a bamboo broom at Kasumigaike Pond at Kenrokuen Garden in Kanazawa, Japan on January 12, 2016. The japanese garden, located next to Kanazawa Castle, encompasses over 28 acres in downtown Kanazawa. With two ponds, rolling hills with streams and bridges, is considered a strolling-style landscape garden. It's regarded as one of the top three most beautiful gardens in Japan. (Photo by Linda Davidson/The Washington Post)

Yanelis Blanco, 24, center, dances with a group of friends at Santa Maria beach, about 15 miles from Havana. It is the closest beach to Havana. Others, from left to right are Jackson Miranda, 21, Dayan Suarez, 24, and Melisa Oliva, 15. The men in the group have a rap group together. The government is demolishing buildings all over the coast of East Havana and recovering and restoring beach dunes. (Photo by Sarah L. Voisin/The Washington Post)