Photo shows aerial view of the Sichuan-Tibet highway which connects Chengdu, capital city of southwest China's Sichuan Province and Lhasa, capital city of southwest China's Tibet. Known as its spectacular scenery and hardships and dangers, the highway wriggles its way through snow mountains, primeval forests, grasslands and rivers which endow it with great attraction to the tourism enthusiasts and photographers. [Photo/scol.com.cn]

Photo shows aerial view of the Sichuan-Tibet highway which connects Chengdu, capital city of southwest China's Sichuan Province and Lhasa, capital city of southwest China's Tibet. Known as its spectacular scenery and hardships and dangers, the highway wriggles its way through snow mountains, primeval forests, grasslands and rivers which endow it with great attraction to the tourism enthusiasts and photographers. [Photo/scol.com.cn]

Photo shows aerial view of the Sichuan-Tibet highway which connects Chengdu, capital city of southwest China's Sichuan Province and Lhasa, capital city of southwest China's Tibet. Known as its spectacular scenery and hardships and dangers, the highway wriggles its way through snow mountains, primeval forests, grasslands and rivers which endow it with great attraction to the tourism enthusiasts and photographers. [Photo/scol.com.cn]

Photo shows aerial view of the Sichuan-Tibet highway which connects Chengdu, capital city of southwest China's Sichuan Province and Lhasa, capital city of southwest China's Tibet. Known as its spectacular scenery and hardships and dangers, the highway wriggles its way through snow mountains, primeval forests, grasslands and rivers which endow it with great attraction to the tourism enthusiasts and photographers. [Photo/scol.com.cn]

Photo shows aerial view of the Sichuan-Tibet highway which connects Chengdu, capital city of southwest China's Sichuan Province and Lhasa, capital city of southwest China's Tibet. Known as its spectacular scenery and hardships and dangers, the highway wriggles its way through snow mountains, primeval forests, grasslands and rivers which endow it with great attraction to the tourism enthusiasts and photographers. [Photo/scol.com.cn]

Photo shows aerial view of the Sichuan-Tibet highway which connects Chengdu, capital city of southwest China's Sichuan Province and Lhasa, capital city of southwest China's Tibet. Known as its spectacular scenery and hardships and dangers, the highway wriggles its way through snow mountains, primeval forests, grasslands and rivers which endow it with great attraction to the tourism enthusiasts and photographers. [Photo/scol.com.cn]

Photo shows aerial view of the Sichuan-Tibet highway which connects Chengdu, capital city of southwest China's Sichuan Province and Lhasa, capital city of southwest China's Tibet. Known as its spectacular scenery and hardships and dangers, the highway wriggles its way through snow mountains, primeval forests, grasslands and rivers which endow it with great attraction to the tourism enthusiasts and photographers. [Photo/scol.com.cn]

Photo shows aerial view of the Sichuan-Tibet highway which connects Chengdu, capital city of southwest China's Sichuan Province and Lhasa, capital city of southwest China's Tibet. Known as its spectacular scenery and hardships and dangers, the highway wriggles its way through snow mountains, primeval forests, grasslands and rivers which endow it with great attraction to the tourism enthusiasts and photographers. [Photo/scol.com.cn]

Editor: Tommy Tan.