(L-R) Actors Oscar Sinela, Luis Fernandez, Ursula Corbero, Amaia Salamanca, Maxi Iglesias and Alba Ribas attend “XP3D” premiere at the Callao cinema on December 27, 2011 in Madrid, Spain. (Photo by Carlos Alvarez/Getty Images)

Topless activist Kaila J. walks through the rain following a “Free the Nipple” demonstration in Hampton Beach, New Hampshire August 23, 2015. (Photo by Brian Snyder/Reuters)

Germany, Business couple making love under desk. (Photo by Roman Maerzinger/Getty Images)

Women in lingerie touching each other. (Photo by BDLM/Getty Images)

Eritrean refugee children play at Mai-Aini refugee camp near the Eritrean boarder in the Tigrai region in Ethiopia February 10, 2016. Each month as many as 5,000 people flee Eritrea according to U.N. figures, estimates the Eritrean government disputes. The government puts the population at about 3.6 million, while other estimates suggest it could be almost double that. (Photo by Tiksa Negeri/Reuters)

A boy shouts after catching a trout during a trout catching contest in Hwacheon, South Korea, Saturday, January 6, 2018. The contest is part of an annual ice festival which draws over 1,000,000 visitors every year. (Photo by Ahn Young-joon/AP Photo)

A man sleeps on a wheelbarrow outside a closed shop at a market during the first day of a ceasefire in Yemen's capital Sanaa April 11, 2016. (Photo by Khaled Abdullah/Reuters)

Mourning woman. (Photo by Rich Legg/Getty Images/iStockphoto)