A instructor (2nd L) from the Philippine Mermaid Swimming Academy assists participants of a monofin swimming summer workshop as they practise floating in the water of a private pool in Paranaque city, metro Manila April 5, 2014. The Philippine Mermaid Swimming Academy workshops, which were originally conducted on the beaches of Boracay Island, central Philippines, currently cost 1,800 pesos per person ($40) for a two-hour session. (Photo by Romeo Ranoco/Reuters)

A picture taken on April 18, 2020 in Sainte-Croix shows a scultpure representing a man wearing a facemask as a preventive measure against the Covid-19 coronavirus in a field. (Photo by Fabrice Coffrini/AFP Photo)

Gold Lame suit worn by Elvis Presley at the Direct from Graceland: Elvis exhibition which is held at the Arches London Bridge on October 19, 2023 in London, England. (Photo by Lia Toby/Getty Images)

Traffic moves as water is pumped out of an inundated residential area following torrential rains in Bengaluru, India on September 7, 2022. (Photo by Samuel Rajkumar/Reuters)

The BMW i8 concept vehicle is displayed at a sneak preview of the car along with the BMW i3 on November 9, 2011 in New York City. (Photo by Spencer Platt/Getty Images)

“Sunward”. When the Mediterrenean Mantis opened its wings, It seemed very impressive at the sunshine... Photo location: Nicosia, Cyprus. (Photo and caption by Hasan Baglar/National Geographic Photo Contest)

“7584 Fish”. On a windy day right after a Cyclone passed the far northern Great Barrier Reef i took some friends out to the reef. Never before i saw that many glass fish on this particular coral “bommie”. Just when i setup my camera, this Napoleon Wrasse swam right through the school of fish building a living frame. Photo location: Cairns, Great Barrier Reef, Flynn Reef, Australia. (Photo and caption by Christian Miller/National Geographic Photo Contest)

Employees of a food stand take pictures of Titan, a robot created by England Cyberstein Robots, performing at the Danilovsly market in downtown of Moscow, Russia, 12 May 2014. Titan visited to Moscow to attend “Bal Robotov”, an interactive exhibition of the most recent advances in robotics which will be opened on 15 May in Artplay Moscow exhibition center. Titan worked alongside superstars including Will.i.am, Rihanna, Will Smith and Jackie Chan. (Photo by Sergei Ilnitsky/EPA)