A man walks past a mural the day before Earth Day, in Philadelphia, Friday, April 21, 2017. (Photo by Matt Rourke/AP Photo)





Apparition Media artists David Pereirra and Tayla Broekman paint the final parts of the Spider-Man: Homecoming mural on June 8, 2017 in Melbourne, Australia. Apparition Media were commissioned by Sony Pictures to paint a mural to celebrate their new movie Spider-Man: Homecoming. (Photo by Scott Barbour/Getty Images)





Artists Lucas Ururah (L) and Gil Faria (R) paint graffiti as organizer Hugo Oliveira (C) walks past in the Providencia “favela” community, the oldest favela in Rio, as part of the “Providencia Gallery” project on May 6, 2017 in Rio de Janeiro, Brazil. The artists created an open-air street art gallery in the “favela” to promote local business, tourism and culture at a time when many of Rio's favelas are suffering from a wave of violence amidst a deep recession in Brazil. (Photo by Mario Tama/Getty Images)





Muralist Aniekan Udofia, left, works on his new mural with art director Mia Duvall at Bens Chili Bowl on U Street NW while the matriarch Virginia Ali, surrounded by the Ali family, is interviewed by media in Washington, DC Friday June 2, 2017. (Photo by Melina Mara/The Washington Post via Getty Images)





The view of Wonosari village which has been painted like rainbow at Semarang on May 24, 2017 in Central Java, Indonesia. The Wonosari village is a slum housing. Because of its colorfully painted walls it is now better known as the Rainbow village. The place is in the middle of the hill town and the houses can be identitfied from a distance due to their distinctive colors. According to the residents the colorful rendition were not intentional. (Photo by Sijori Images/Barcroft Images)





German Artist Jadore Tong puts the finishing touches on a huge mural painting featuring a colorful elephant on a house after four weeks of work on April 10, 2017 in Berlin. (Photo by Michele Tantussi/AFP Photo)





A man walks past a mural on a wall in west Belfast, Northern Ireland, February 28, 2017. (Photo by Toby Melville/Reuters)





A woman walks past a political mural, which includes a representation of the Storming Parliament building, in the Falls Road area of west Belfast, Northern Ireland, February 28, 2017. (Photo by Toby Melville/Reuters)





Pall bearers carry the coffin of Martin McGuinness through the streets of Londonderry, Northern Ireland, March 21, 2017. (Photo by Clodagh Kilcoyne/Reuters)





A mural signed by “TV Boy” and depicting Pope Francis and U.S. President Donald Trump kissing, is seen on a wall in downtown Rome, Italy May 11, 2017. (Photo by Tony Gentile/Reuters)





A woman sits next to murals as opposition parties march for the removal of President Jacob Zuma outside the Constitutional Court in Johannesburg, South Africa, May 15, 2017. (Photo by Mike Hutchings/Reuters)





A man walks past the polling station set up at a community centre in south London on on June 8, 2017, as Britain holds a general election. As polling stations across Britain open on Thursday, opinion polls show the outcome of the general election could be a lot tighter than had been predicted when Prime Minister Theresa May announced the vote six weeks ago. (Photo by Justin Tallis/AFP Photo)





In this file photo taken Tuesday, December 20, 2016, a Chinese man places his hand over his mouth as he walks past graffiti of a dragon during a day of heavy pollution in Beijing, China. (Photo by Ng Han Guan/AP Photo)





People stand near a recently painted mural by British graffiti artist Banksy on May 8, 2017 in Dover, Britain. The mural depicts a workman chipping away at one of the stars on a European Union (EU) themed flag, in Dover, Britain. (Photo by Daniel Leal-Olivas/AFP Photo)





A boy plays in front of a wall painting by Hawaiian artist Kamea Hadar during an art happening, called POW! WOW! Israel, which is connected to a week-long art and culture festival held in Hawaii called POW! WOW! Hawaii, in the southern city of Arad, Israel June 6, 2017. (Photo by Amir Cohen/Reuters)





In this March 5, 2017 photo, a mural by artist Lya Alves covers a wall at a metro station in Rio de Janeiro, Brazil. Alves, who recently painted a mural of a black woman on a wall in Rio's recently renovated port area, says feminism has lost much of its meaning since the 1970s, when women fought to avoid being considered sexual objects. (Photo by Leo Correa/AP Photo)





In this March 6, 2017 photo, a girl walks past a mural by Mariluce Maria de Souza, after attending Souza's painting workshop at the Alemao slum in Rio de Janeiro, Brazil. Souza's work has made her an example of empowerment in the slum for girls and women, who sometimes face domestic violence at home and discrimination in the workplace. (Photo by Leo Correa/AP Photo)





Maiara Viana Rodrigues poses in front of her mural in Rio de Janeiro, Brazil, March 7, 2017 photo. Female artists say they don't just want to put a light on physical violence, but also psychological abuse, unequal access to education and health care and the fact that women often earn less to do the same job as men. (Photo by Leo Correa/AP Photo)





A man walks past a political graffiti in central Athens by artist Bleeps reading' Bid! a few items left on sale' on May 4, 2017 one day after Greece and its creditors closed a troubled chapter on fiscal reforms with a preliminary deal on pension and tax cuts, offering hope for a debt relief agreement later this month . Greece and its creditors on May 3rd closed a troubled chapter on fiscal reforms with a preliminary deal on pension and tax cuts, offering hope for a debt relief agreement later this month. The nation's debt in 2016 stood at nearly 315 billion euros or 179 percent of annual economic output, up from 177.4 percent in 2015. (Photo by Louisa Gouliamaki/AFP Photo)





A Brazilian Public-Safety National Force policeman patrols the streets near the Chapadao slums complex during a security operation on an effort to crack down on crime in Rio de Janeiro, Brazil, May 16, 2017. (Photo by Ricardo Moraes/Reuters)





A woman walk past a mural in the Little Haiti neighborhood on May 17, 2017 in Miami, Florida. People living in the neighborhood are concerned about the outcome of the decision on extending the Temporary Protected Status for Haitians living in the United States because it would possibly mean having friends and family of theirs being sent back to Haiti. 50,000 Haitians have been eligible for TPS and now the Trump administration has until May 23 to make a decision on extending TPS for Haitians. If it is allowed to expire on July 22, current TPS holders could possibly be deported. (Photo by Joe Raedle/Getty Images)





Party militants working at a campaign rally for Delfina Gomez, Mexico State gubernatorial candidate for the National Regeneration Movement, or MORENA, walk in front of street art in Nezahualcoyotl, Mexico state, Sunday, May 28, 2017. MORENA is attempting to unseat the ruling Institutional Revolutionary Party, known as the PRI, in Mexico state's June 4 gubernatorial elections. (Photo by Rebecca Blackwell/AP Photo)