The FFZero1 by Faraday Future is displayed at CES Unveiled, a media preview event for CES International Monday, January 4, 2016, in Las Vegas. The high performance electric concept car was unveiled during a news conference by Faraday Future. (Photo by Gregory Bull/AP Photo)

People make their way on an algae-covered beach in Qingdao, Shandong province, China, July 19, 2015. (Photo by Reuters/Stringer)

Men slide in the mud during the Boryeong Mud Festival at Daecheon Beach in Boryeong, South Korea, Saturday, July 22, 2017. The 20th annual mud festival features mud wrestling and mud sliding. (Photo by Ahn Young-joon/AP Photo)

Green algae sits on a beach in Kuwait City, Kuwait, 28 February 2017. The formation of green algae is a normal phenomenon that occurs every year at the shores of Kuwait. (Photo by Raed Qutena/EPA)

Samba dancers arrive to perform ahead of the athletics competitions of the 2016 Summer Olympics at the Olympic stadium in Rio de Janeiro, Brazil, Sunday, August 14, 2016. (Photo by Jae C. Hong/AP Photo)

Ziripot, a traditional figure stuffed with straw, is helped up during Carnival celebrations in the Navarran village of Lantz, on February 16, 2015. (Photo by Vincent West/Reuters)

Reem Fawzy (L), the director of the Pink Taxi company, stands with her drivers in a parking lot in Cairo, Egypt, September 6, 2015. Pink uniforms, a pink logo on the cars, and even pink nail polish – it's all part of the look of women-drivers working for Egypt's first women-only taxi service. The Pink Taxi company hires only women drivers and gives rides to only female passengers. The company was started in an effort to provide a safe taxi service for women in a country with high rates of sexual harassment, said Reem Fawzy, the director of the company. (Photo by Amr Abdallah Dalsh/Reuters)

Eight-year-old Niu Dongfang trains at the No. 2 Beijing Shuangqiao School January 13, 2005 in Beijing, China. Most of students in the gymnastics school have to study more than five years from as young as age six before they become athletes. (Photo by Guang Niu/Getty Images)