20 oktober 2018
http://www.hanoicrystalhotel.com/en/home.htm
http://www.google.nl/maps/place/Hanoi+Crystal+Hotel/@21.0340187,105.8461623,14z/data=!4m7!3m6!1s0x3135abc04d9ccdc5:0xed78d306ab45da7f!5m1!1s2018-11-03!8m2!3d21.0322854!4d105.8552761
