Two California professors created seesaws at the United States-Mexico border wall to allow children in both countries to play with each other.
Ronald Rael, an architecture professor at the University of California, Berkeley, and Virginia San Fratello, an assistant professor at San José State University in California, came up with the idea for a “Teetertotter Wall” in 2009.
In one video posted to Rael’s Instagram page, several children are seen happily bouncing up and down on the bright pink seesaws. Another video shows people waving to children in Ciudad Juárez. Watch the full video above.
Read more at NBC NEWS.