Director Taro Kambe directs as he watches acting with VR headset during a rehearsal for ROCKET's 3D virtual reality adult film at the company's studio in Tokyo, Japan, July 31, 2017. Japan is the world's second biggest virtual reality market after the United States and the adult entertainment industry and gaming sector are turning to VR as a new way to distribute content. (Photo by Kim Kyung-Hoon/Reuters)

Happiness on a Rainy Day by Fardin Oyan, Bangladesh. Winner of the young environmental photographer of the year. Many children in Bangladesh love to bathe and play in the rain. The country, which is flat and occupied by the huge Ganges-Brahmaputra Delta, is exposed to floods, especially during monsoon season. (Photo by Fardin Oyan/2018 Ciwem environmental photographer of the year 2018)

Marine researcher Tomasz Furmanek, 44, from Bøjarnesveien, Norway, takes stunning images while kayaking through various fjords and lakes in the Scandinavian country. During Tomasz’s free time, he works as a freelance photographer traveling around the lakes, fjords and coastal regions of the beautiful country – and capturing breathtaking photographs. Here: Hardangerfjorden, near Ullensvang. (Photo by Thomasz Furmanek/Caters News Agency)

Two young women embrace in bed together, both wearing white lace underwear. (Photo by Popperfoto/Getty Images)

“Tasty Nature” by Dipesh Bhatt. “The blue banded bee (Amegilla cingulata) is pointing this sheath towards the flowers in preparation for sipping nectar”. Taken in Gujarat, India. (Photo by Dipesh Bhatt/2016 Royal Society of Biology Photographer of the Year competition)

Some are in it just for the money, others to help buy a meal. Then there are those who trade for fun or to spend time among friends. Millions of investors – pensioners, security guards, high-school students – dominate China's stock markets, conducting about 80 percent of all trades. Retirees gather in brokerage houses dotted around China also to enjoy some company and savour the air conditioning on hot days. Some start as young as 13, trading from home with an eye on future careers in finance. Winning isn't guaranteed. This year, among the most turbulent in China's financial history, its stock markets more than doubled in the six months to May, only to crash amid concerns that growth in the country, which makes everything from cars to steel, is slowing faster than previously thought. (Photo by Aly Song/Reuters)

Actor Lorenzo Lamas and girlfriend Shawna Craig arrives at the showcase unveiling of “Cosmic Harley” a one of a kind $1,000,000 Harley Davidson designed by artist Jack Armstrong at the Harley Davidson showrooms on October 21, 2010 in Marina del Rey, California. (Photo by Frazer Harrison/Getty Images)