Nothing happens in this short. A kid sits by a river. Light moves across the water. Someone walks past. That's the entire film, and it destroys you because you realize you've been waiting your whole life for something this honest. Kohei Nagasaka made his graduation film about the weight of ordinary moments, the kind you forget the second they're over, except you don't forget this one because he refused to let you look away. Watch it if you've ever felt like your life was happening to someone else. This is what it means to actually pay attention.

At a certain riverbed is a single-episode slice-of-life film created by Kohei Nagasaka as his graduation project at Tama Art University. A student short in the slice-of-life mold, it is rooted in the everyday rather than in grand drama.