A flash of lightning lights up a raincloud hovering over a township in Dharmsala, India, Sunday, April 19, 2020. (Photo by Ashwini Bhatia/AP Photo)

A woman dressed up as a zombie participates in a zombie walk in Stockholm, Sweden on August 19, 2017. (Photo by Jonathan Nackstrand/AFP Photo)

Aurora Australis from Beerbarrel Beach, by James Stone. Runner Up: Aurorae. (Photo by James Stone/Astronomy Photographer of the Year)

Group of blow-up dolls and women. (Photo by Zomi/Getty Images)

Close up of a couple, with the woman holding the man's knee, underneath a table. (Photo by Peter Dazeley/Getty Images)

Boozed up revellers dressed up in fluorescent colours during the opening day of the 2019 Notting Hill Carnival on August 25, 2019 in London, England. Up to a million people are expected to pack the streets of Notting Hill and surrounding areas over the course of the two day event. The annual celebration of Afro-Caribbean culture takes place each August bank holiday weekend. (Photo by London News Pictures)

A participant in costume eats a sandwich after a Halloween parade in Kawasaki, south of Tokyo, October 26, 2014. More than 100,000 spectators turned up to watch the parade, where 2,500 participants dressed up in costumes, according to the organiser. (Photo by Yuya Shino/Reuters)

A combination picture shows participants in costume at a Halloween parade in Kawasaki, south of Tokyo, October 25, 2015. More than 100,000 spectators turned up to watch the parade, where 2,500 participants dressed up in costumes, according to the organiser. (Photo by Yuya Shino/Reuters)