Photo shows that tourists wait in line for visiting the Potala Palace in Lhasa, capital of southwest China's Tibet Autonomous Region. [Photo/China Tibet News]

Thanks to the excellent winter tour lines and preferential policies promoted by the regional tourism development committee, more and more tourists from home and abroad travel to China's Tibet. Especially, since the implement of "winter tours in Tibet－enjoy the world's third pole", tourism in off-peak season still booms. With the warmer temperature, recently, a lot of visitors travel to tourist attractions in Tibet.