CHINA, YANGTZE RIVER: An exhuasted peapod boatman rests after using ropes to pull his peapod boat up the Shennong tributary. Tujia men, an ethnic minority who are a descendants of the ancient Ba people, suppliment their incomes by rowing and pulling their long narrow peapod boats full of tourists up the Shennong tributary as a side trip of the Yangtze River cruises.