Tuesday marked the start of the annual Great Moose Migration, a beloved televised event in Sweden that offers audiences a nonstop livestream of the four-legged creatures on their three-week journey. There’s no narrator, no background music, just moose and the sounds of nature. This “slow TV” programming is the kind of mediative experience that’s taken off in Scandinavia, as Johan Erhag explained to The World’s Marco Werman.