PBS Colorado
https://www.rmpbs.org/blogs/housing-transportation/blue-chirper-denver-homelessness In Denver’s Ballpark district, a homemade device chirps at the homeless DENVER — A blue, shoebox-sized cube is mounted
https://www.rmpbs.org/blogs/housing-transportation/blue-chirper-denver-homelessness In Denver’s Ballpark district, a homemade device chirps at the homeless DENVER — A blue, shoebox-sized cube is mounted
