The Sanctuary Yangzi Explorer is a more intimate and luxurious style of cruising that is new China. With the largest cabins and suites on the river, all the private balconies, as well as the highest crew to passenger ratio on the river of 1:1, this is a Yangzi cruise unlike any other. The Yangzi Explorer carries 124 passengers, compared to other cruise ships and offer ...s the finest and most personalized service on the river. Onboard facilities include a la carte dining, a luxury spa, an observation deck, 24 hour room service, a 2 floor theatre, library, and beauty and fitness facilities. A doctor also travels onboard. The ship also has the most spacious and indulgent spa on board this vessel.