Unlike photographing portraits or landscapes, butterflies never follow instructions. While it is easy to capture a butterfly in one's net, it takes a lot of effort to make it sit still for a photo. Tsai's first challenge was that of inadequate equipment.
迥異於人像與風景的如如不動，蝴蝶可不會任人擺佈，用捕蝶網抓牠們容易，要牠們乖乖停下來照張相卻得煞費苦心。