屋顶上的鸽子，有社区里的，也有野外的。

on rooftops in communities and in the wild. Pigeons in urban areas often gather in large flocks, taking advantage of the abundant food sources available from human activity. They are known to roost on building ledges and rooftops, providing them with safety from predators. Additionally, these birds have adapted well to city life, frequently scavenging for food scraps and nesting in nooks and crannies of urban structures.