This place is called Silfra and located in the Þingvallavatn Lake in the Þingvellir National Park in Iceland. Silfra is a rift that is part of the divergent tectonic boundary between the North American and Eurasian plates.
Rory Banwell came up with this project when she got pregnant in 2014. She and her boyfriend were concerned to bring up their child in “today’s society that is rife with sexual violence and accepted rape culture.” The project is called "Still Not Asking For It" and initially was inspired by a photo of Ashley at Slut Walk in Chicago. But with time it grew into a much larger message about sexual and domestic violence.