Lang began doing composite photography in 1939. Using darkroom trickery, he took extracts from pictures that he took himself in his travels across China and assembled them into a single image.
手持「真」實的攝影器材，本著「善」的意念，創造出許許多多「美」的作品，郎靜山在民國二十八年開始進行「集錦攝影」，利用暗房技巧，從親身走遍大江南北拍攝的底片上取景，然後合在同一張底片上。