✌✌ HIGHLIGHTS ✌✌Professional-experience Tour guide for whole tripUsing limousine van for transfer, go by NEW TOLL EXPRESSWAY to save 50% timeFollow the route as overnight cruise, route number 02, around 5.5 hours on boardVisit Sung sot cave, the most beautiful cave of Halong bay, the core of heritageDo kayaking/sampan in Hangluon area, beautiful water tunnelUsing audio guide system to support none-English speaking travelers (Korean, French)