商業街道上，煙蒂常出現在騎樓柱邊、排水溝和行道樹旁，這些地方適合短暫停留，也很容易被忽略。Cigarette Butt Hotspot Observation
On busy streets, cigarette butts are often found near columns, drains, and street trees. These spots are good for short stops and are easy to overlook.
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