Mangroves grow extraordinarily fast, their shoots spreading out toward the sea with the tide. Consequently, during Arbor Day last year, Chia organized local school kids to go to the shore and pull out mangroves, and he is calling for a stop to the mistaken policy of planting them here.
尤其紅樹林成長快速，幼苗會隨潮水往外海擴散扎根，因此去年植樹節時，蔡嘉揚還得發動當地學校到海邊拔除紅樹林幼苗，並呼籲主事者停止錯誤的植樹政策。