https://flyerlog.info/2018/09/%e6%96%b0%e5%8a%a0%e5%9d%a1-%e6%96%b0%e5%8a%a0%e5%9d%a1%e5%ae%89%e9%81%94%e4%bb%95%e9%85%92%e5%ba%97-andaz-singapore/