在菲律宾本部海岸,每年的秋天都能看到这样一个壮观的场面:海面上黑压压地飞来一片云,近看才知是南迁的燕子,它们欢快地鸣叫着,慢慢靠近海岸。但是人们惊奇地看到,一旦到了海岸和沙滩,许多燕子都飞不起来了,永远地闭上了眼睛。遥远的路途飞完了,没有死于皑皑雪峰,没有死于茫茫 On the coast of the Philippine headquarters, every autumn can see such a spectacular scene: a sea of ​​dark clouds on the surface of the sea, only to see that it is the southern move of the swallows, they cheerfully buzzing, slowly approaching the coast. But people are surprised to see that once they reach the coast and the beach, many swallows cannot fly and close their eyes forever. After the long-distance flight was completed, he did not die in Yan Xuefeng and did not die.