A cosplayer poses for a photograph during the Tokyo Rainbow Pride Parade on May 6, 2018 in Tokyo, Japan. The LGBT community and supporters marched down Shibuya and Harajuku areas on the final day of the Tokyo Rainbow Pride 2018 event. (Photo by Tomohiro Ohsumi/Getty Images)

Prostitutes working on 10th Ave in New York, USA on June 29, 1997. (Photo by Jon Naso/NY Daily News Archive via Getty Images)

Paragliders fly towards the landing area of the “Acro Show” above Lake Geneva in Villeneuve, Switzerland on Sunday, August 26, 2018. (Photo by Valentin Flauraud/Keystone via AP Photo)

Revellers take part in the Notting Hill Carnival in London, Britain on August 27, 2018. The carnival has been held every year since 1966 and one of the largest festival celebrations of its kind in Europe. (Photo by Henry Nicholls/Reuters)

A pigeon eating cherries in Bydgoszcz, Poland on September 14, 2018. The pigeon was captured at dinnertime, as he was caught on camera with its mouth full of a cherry. (Photo by Piotr Grny/Caters News Agency)

A ballet dancer practices in the sunshine at the Southbank skatepark in London on Monday, September 17, 2018, as Storm Helene is due to bring unseasonably warm weather in London and the south east, as the low pressure draws up warm air from the south. Forecasters have downgraded warnings that Helene could pose a risk to life when it hits this week – but warned coastal communities to stay vigilant. (Photo by Kirsty O'Connor/PA Wire)

A father crosses a road with his twin daughters in Shanghai, China September 28, 2018. (Photo by Aly Song/Reuters)

Russia's President Vladimir Putin and Saudi Arabia's Crown Prince Mohammed bin Salman are seen during the G20 summit in Buenos Aires, Argentina November 30, 2018. G20 powers open two days of summit talks on Friday after a stormy buildup dominated by tensions with Russia and US President Donald Trump's combative stance on trade and climate fears. (Photo by Marcos Brindicci/Reuters)