Revellers parade for Gavioes da Fiel samba school during carnival in Sao Paulo, Brazil, February 6, 2016. (Photo by Paulo Whitaker/Reuters)

Paramilitary policemen carry tyres as they take part in a training session in Zhangye, Gansu Province, China, March 1, 2016. (Photo by Reuters/Stringer)

A Bengal cat is seen during the Mediterranean Winner 2016 cat show in Rome, Italy, April 3, 2016. (Photo by Max Rossi/Reuters)

The Mount Bromo volcano erupts in the Bryce Canyon, Utah. (Photo by Reynold Dewantara/2016 National Geographic Travel Photographer of the Year Contest)

Record snowfall in the Sahara Desert near the town of Ain Sefra in Algeria on January 21, 2017. (Photo by Geoff Robinson/Rex Features/Shutterstock)

Jennifer Lopez And Giuseppe Zanotti Celebrate Their New Shoe Collaboration at Neiman Marcus on January 26, 2017 in Beverly Hills, California. (Photo by FameFlynet)

Betty Bachz is seen outside of the Furla store launch party on February 2, 2017 in London, England. (Photo by FameFlynet)

An armoured vehicle surrounded by Chicago cops at the time of the American depression, 1933. (Photo by Rolls Press/Popperfoto/Getty Images)