The groundbreaking for the operation and management building of Ho Chi Minh City’s first metro line was held on Tuesday. The facility is located at Long Binh depot in Thu Duc City under Ho Chi Minh City. The groundbreaking of the operation and management building of Ho Chi Minh City’s first metro line, January 31, 2023. The groundbreaking for the operation and management building of Ho Chi Minh City’s first metro line was held on Tuesday. The groundbreaking of the operation and management building of Ho Chi Minh City’s first metro line, January 31, 2023.