In early spring, to capture the wondrous sight of butterflies drinking creekside, Tsai has often immersed himself in the piercing cold of a high mountain spring fed by the melting snows.
早春時節，為了拍攝蝶群在溪邊飲水的珍貴鏡頭，需浸泡在高山積雪剛融化、冰涼刺骨的溪水裡，那種寒澈心肺的感覺，蔡百峻點滴在心頭。