Moscow plans to expand its number of public WiFi networks by installing additional hotspots in the city's cemeteries. The hotspots will be free to use, and are set to go live next year in the Novodevichy, Vagankovo, and Troyekurovo cemeteries. The selected cemeteries are each notable for the well-known individuals buried in them, making them so-called "open-air museums." The networks …