But Li Chien believes that the cactus, a life-saver in the desert, is a plant with a tenacious hold on life. "Transfer them into a greenhouse and they may grow big and tall, but they haven't got any toughness," is how he justifies his insistence on setting up an open-air cactus park.
但李堅認為，仙人掌本是沙漠的救命樹，是生命力最強悍的一種植物，「移到玻璃房內，雖然長得又高又壯，卻一點悍勁也沒有了」，所以他堅持以露天型態成立仙人掌公園。