A woman wearing a scarf to cover her face looks on as she waits for a passenger bus on a smoggy morning in New Delhi, India, November 8, 2017. The Great Smog of Delhi is an ongoing severe air-pollution event in New Delhi and adjoining areas in the National Capital Territory of India, in November 2017. Air pollution at this time peaked on both PM 2.5 and PM 10 levels. It has been reported as one of the worst levels of air quality in Delhi since 1999. (Photo by Saumya Khandelwal/Reuters)

Honourable mention, Behaviour category. Toss the scorpion – Indian roller playing with its kill by Susmita Datta. The image was taken during an early morning safari drive at Tadoba Andhari Tiger Reserve in India. (Photo by Susmita Datta/PA Wire/Royal Society Publishing Photography Competition 2017)

An injured person is seen after an earthquake hit Port-au-Prince, Haiti, Tuesday, January 12, 2010. A 7.0-magnitude earthquake, the largest ever recorded in the area, rocked Haiti on Tuesday. (Photo by Jorge Cruz/AP Photo)

Artist Leiomy performs at the Sissy Ball in Sydney, Australia on February 24, 2018. The Sissy Ball is a celebration of voguing – a style of modern dance, a form of self-expression, and a powerful movement that has become a representation for the sociopolitical struggles of the LGBTQI+ community. (Photo by Ken Leanfore/Red Bull Music)

Rohingya refugee sisters Nur Kaida (R) and Ruhana hug each other at their shelter at the Palongkhali refugee camp near Cox's Bazar, Bangladesh December 21, 2017. (Photo by Marko Djurica/Reuters)

White House Communications Director and presidential advisor Hope Hicks arrives at the U.S. Capitol Visitors Center February 27, 2018 in Washington, DC. Hicks is scheduled to testify behind closed doors to the House Intelligence Committee in its ongoing investigation into Russia's interference in the 2016 election. (Photo by Chip Somodevilla/Getty Images)

Performers dressed as Pikachu, the popular animation Pokemon series character, perform in the Pikachu parade in Yokohama on August 7, 2016. Some 50 life-size Pikachu characters, the most famous from the Pokemon game, marched along the city’s waterfront street as visitors took mobile phone pictures and videos of them in scorching sunshine. Some participants said they attended the event to search for rare characters of Pokemon – a word short for “pocket monster” – for the megahit smartphone app, which was launched in several countries around the world last month. (Photo by Kazuhiro Nogi/AFP Photo)

Resident Taina holds her brother Ysaque in the hallway outside their apartment in an occupied building in the Mangueira “favela” community on August 13, 2016 in Rio de Janeiro, Brazil. (Photo by Mario Tama/Getty Images)