While it's most likely a man peeing in the photo, there are devices that let a woman pee standing up, mostly so you don't have to deal with removing all kinds of gear when backpacking, etc.

https://www.backpacker.com/gear/the-complete-guide-to-female-urination-devices

While it's most likely a man peeing in the photo, there are devices that let a woman pee standing up. https://www.backpacker.com/gear/the-complete-guide-to-female-urination-devices