FRESNO, Calif. (KFSN) -- The walls are coming down on another building in downtown Fresno to make room for high speed rail.A former warehouse on G Street near Fresno Street started demolition this morning. This comes less than a week after "Seibert's Fuel Station" at Princeton and Marks, which also included a Valero gas station, was torn down.The $64-billion dollar high speed rail project looks to build the rail network from the Central Valley to San Jose before it heads to Southern California.