Complex sentence: Her travels in China and Tibet took her to Kashgar, Karakol on Lake Issyk Kul, Xinjiang, the lamasery of Taer'si, Chengdu and Shilin, and she may have been the first Westerner to see the dragon boat race on Lake Er Hai.
Split into simpler sentences: Her travels in China and Tibet took her to Kashgar, Karakol on Lake Issyk Kul, Xinjiang, the lamasery of Taer'si, Chengdu and Shilin. She may have been the first Westerner to see the dragon boat race on Lake Er Hai.