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 woman peels potatoes for sale at a market located along a railway line in West Jakarta, Indonesia March 1, 2016. (Photo by Garry Lotulung/Reuters)

A woman dives and pretends to ride a bike in Underwater Park in Pula, Croatia, August 1, 2017. (Photo by Antonio Bronic/Reuters)

Aeronautics and Space engineer at France's Compagnie Maritime d'Expertises, or Comex, Arnaud Prost (C) meets with a jogger as he tests on the ground the “Gandolfi 2” underwater training suit for spacewalk, on January 20, 2016 in the calanques region (rocky inlets) of Marseille. The underwater training suit “Gandolfi 2”, developed with the European Space Agency (ESA), is designed for training astronauts underwater to simulate space gravity for the astronaut's extravehicular activities (EVAs). (Photo by Boris Horvat/AFP Photo)

Models promote the game “Diamond Dogs” during the Gamescom 2015 fair in Cologne, Germany August 5, 2015. Hundreds of thousands of visitors will enjoy one of the world's largest computer and video game events until Sunday. (Photo by Kai Pfaffenbach/Reuters)

A woman holds an iguana perched on her head at a gathering of a reptile club during a car-free day in central Jakarta, Indonesia February 5, 2017. (Photo by Darren Whiteside/Reuters)

People perform during the traditional Epiphany parade in Malaga, southern Spain, January 5, 2016. Children in Spain traditionally receive their Christmas presents delivered by the Three Wise Men on the morning of January 6, during the Christian holiday of the Epiphany. (Photo by Jon Nazca/Reuters)

A model dressed in an outfit made with chocolate presents a creation at the Brussels “Le Salon du Chocolat” chocolate fair February 5, 2016. (Photo by Yves Herman/Reuters)