“香港青年大美青海行”交流团

https://schoolchoice.hk/zh-hans/%e9%a6%99%e6%b8%af%e9%9d%92%e5%b9%b4%e5%a4%a7%e7%be%8e%e9%9d%92%e6%b5%b7%e8%a1%8c%e4%ba%a4%e6%b5%81%e5%9b%a2