- and not only for the birds.
不仅只是针对这些鸟而言 - For 500 years people have been harvesting the nests of cave swiftlets.
500年来 人们一直采集洞金丝燕的燕窝 - It's a very risky business.
这是一项非常危险的工作 - with virtually no safety equipment
事实上没有任何安全措施 - and using ladders made from forest vines the gatherers climb into the highest reaches of the cave
采集者利用树藤编成的梯子爬到洞穴的最高处 - often more than 60 metres from the floor.
通常高出地面60多米 - The work may be hazardous in the extreme,
这项工作看起来极度危险