✔ 最佳答案
Post-festival potential pollution:
---All the rubbish left on the floor due to people hold gathering at the street, eg, countdown in Time Square in Causewaybay.
---Destroy the environment, especially the tree and grass due to the "mountain fire" after Cheng Ming Festival(清明).
---The problems of boiling candle during Mid-Autumn festival cause the problem to the public area or parks. Also, the lantern maybe wasted after the festival.
---All the paper used for decorating the gifts during christmas, valentine day, even birthday.