A model wears virtual reality glasses VR ONE Plus from Zeiss at the photokina trade fair in Cologne, Germany, 20 September 2016. The world's largest trade fair on photography, photokina, features some 1,000 exhibitors from 40 countries and will take place from 20 until 25 September 2016 in Cologne. The trade fair also features various photo exhibitions. (Photo by Oliver Berg/EPA)
