French engineer and professional violinist Laurent Bernadac poses with the “3Dvarius”, a 3D printed violin made of transparent resin, during an interview with Reuters in Paris, France, September 11, 2015. (Photo by Christian Hartmann/Reuters)

Young couple masturbating while using virtual reality glasses in the bed. Happy lover having sеx with vr goggles 3d in the bedroom. (Photo by Alamy Stock Photo)

An ice hockey-themed crew in the 2018 Zaplyv festival of handmade inflatables in 300 Years of St Petersburg Park in St Petersburg, Russia on August 5, 2018. (Photo by Peter Kovalev/TASS)

It’s enough to make your head spin. The photographer Katherine Young set out to shoot spiral staircases in London, England to great effect, including this shot she calls the Downward Spiral Part III. (Photo by Katherine Young/Rex Features/Shutterstock)

A man performs a split as he practices Kung Fu at Beihai Park in Beijing, China August 20, 2017. (Photo by Reuters/China Stringer Network)

Cropped shot of a woman flirtatiously touching leg of man in a suit with her foot under the table. (Photo by LightField Studios/Skyfish Digital Media/Getty Images)

Margaret Morris dancers exercising on the sands at Saint-Idesbald. (Photo by Fox Photos/Getty Images). August 1929

Students pose for a pictures taken by their friends during spring break on the beach in the resort city of Cancun, Mexico, February 27, 2009. (Photo by Israel Leal/AP Photo)