To save the planet we must set the trend of caring for the environment.为了拯救地球，我们必须树立保护环境的风尚。Young backpackers set the trend, and now people of all ages are looking for cheap ways to travel around Southeast Asia.年轻的背包旅行者开创了新风尚，现在各种年龄的人都在寻找便宜的途径去东南亚地区旅行。