@vietnamtodayvtv: On the evening of 1 July, thousands of residents and visitors gathered in downtown Hồ Chí Minh City for a spectacular 3D mapping and live music performance, launching celebrations for the 50th anniversary of Sài Gòn–Gia Định officially being renamed Hồ Chí Minh City. #VietnamToday #HCMC #3DMapping #Anniversary #Saigon