▼信鸽，是一种通人性的空中飞行动物，经训练后可用于通信、侦查、运输等。这只在途经天门山、小憩片刻的家伙，是在给谁传信呢？ 覃少波 摄 The homing pigeon is a flying animal with human nature that can be used for communication, investigation and transportation after training. Who is this guy passing by Tianmen Mountain and taking a rest? Who is sent with a letter? Photo by Qin Shaobo