Aerial photo taken on Oct. 24, 2019 shows part of the No. 318 national highway on Sejila mountain on the Sichuan-Tibet highway. The Sichuan-Tibet highway, which was put into operation on Dec. 25, 1954 and has a length of over 2,000 kilometers. Over the past 65 years, the central and local governments have invested heavily to lift the highway`s traffic capacity and safety. Besides more tunnels and bridges, almost all sections of the highway have been widened and asphalted. (Xinhua/Jiang Hongjing)

Aerial photo taken on Oct. 24, 2019 shows part of the Sichuan-Tibet highway in Bomi County, southwest China`s Tibet Autonomous Region. The Sichuan-Tibet highway, which was put into operation on Dec. 25, 1954 and has a length of over 2,000 kilometers. Over the past 65 years, the central and local governments have invested heavily to lift the highway`s traffic capacity and safety. Besides more tunnels and bridges, almost all sections of the highway have been widened and asphalted. (Xinhua/Jiang Hongjing)

Aerial photo taken on Oct. 23, 2019 shows part of Nujiang River zigzag road on the Sichuan-Tibet highway in Baxoi County, southwest China`s Tibet Autonomous Region. The Sichuan-Tibet highway, which was put into operation on Dec. 25, 1954 and has a length of over 2,000 kilometers. Over the past 65 years, the central and local governments have invested heavily to lift the highway`s traffic capacity and safety. Besides more tunnels and bridges, almost all sections of the highway have been widened and asphalted. (Xinhua/Jiang Hongjing)

Aerial photo taken on Oct. 23, 2019 shows part of Nujiang River zigzag road on the Sichuan-Tibet highway in Baxoi County, southwest China`s Tibet Autonomous Region. The Sichuan-Tibet highway, which was put into operation on Dec. 25, 1954 and has a length of over 2,000 kilometers. Over the past 65 years, the central and local governments have invested heavily to lift the highway`s traffic capacity and safety. Besides more tunnels and bridges, almost all sections of the highway have been widened and asphalted. (Xinhua/Jiang Hongjing)

Photo taken on Oct. 31, 2019 shows part of the No. 317 national highway on Aila mountain on the Sichuan-Tibet highway. The Sichuan-Tibet highway, which was put into operation on Dec. 25, 1954 and has a length of over 2,000 kilometers. Over the past 65 years, the central and local governments have invested heavily to lift the highway`s traffic capacity and safety. Besides more tunnels and bridges, almost all sections of the highway have been widened and asphalted. (Xinhua/Jiang Hongjing)

Photo taken on Oct. 30, 2019 shows part of the No. 317 national highway on Xiela mountain on the Sichuan-Tibet highway. The Sichuan-Tibet highway, which was put into operation on Dec. 25, 1954 and has a length of over 2,000 kilometers. Over the past 65 years, the central and local governments have invested heavily to lift the highway`s traffic capacity and safety. Besides more tunnels and bridges, almost all sections of the highway have been widened and asphalted. (Xinhua/Jiang Hongjing)

Aerial photo taken on Oct. 17, 2019 shows part of the snow-covered No. 318 national highway on Jianziwan mountain on the Sichuan-Tibet highway. The Sichuan-Tibet highway, which was put into operation on Dec. 25, 1954 and has a length of over 2,000 kilometers. Over the past 65 years, the central and local governments have invested heavily to lift the highway`s traffic capacity and safety. Besides more tunnels and bridges, almost all sections of the highway have been widened and asphalted. (Xinhua/Jiang Hongjing)

Aerial photo taken on Oct. 27, 2019 shows part of the No. 318 national highway in Nyingchi on the Sichuan-Tibet highway. The Sichuan-Tibet highway, which was put into operation on Dec. 25, 1954 and has a length of over 2,000 kilometers. Over the past 65 years, the central and local governments have invested heavily to lift the highway`s traffic capacity and safety. Besides more tunnels and bridges, almost all sections of the highway have been widened and asphalted. (Xinhua/Jiang Hongjing)

Aerial photo taken on Oct. 15, 2019 shows part of the No. 318 national highway on Erlang mountain on the Sichuan-Tibet highway. The Sichuan-Tibet highway, which was put into operation on Dec. 25, 1954 and has a length of over 2,000 kilometers. Over the past 65 years, the central and local governments have invested heavily to lift the highway`s traffic capacity and safety. Besides more tunnels and bridges, almost all sections of the highway have been widened and asphalted. (Xinhua/Jiang Hongjing)

Aerial photo taken on Oct. 17, 2019 shows part of the snow-covered No. 318 national highway on Jianziwan mountain on the Sichuan-Tibet highway. The Sichuan-Tibet highway, which was put into operation on Dec. 25, 1954 and has a length of over 2,000 kilometers. Over the past 65 years, the central and local governments have invested heavily to lift the highway`s traffic capacity and safety. Besides more tunnels and bridges, almost all sections of the highway have been widened and asphalted. (Xinhua/Jiang Hongjing)

Photo taken on Nov. 1, 2019 shows part of the No. 317 national highway on Que`ershan mountain on the Sichuan-Tibet highway. The Sichuan-Tibet highway, which was put into operation on Dec. 25, 1954 and has a length of over 2,000 kilometers. Over the past 65 years, the central and local governments have invested heavily to lift the highway`s traffic capacity and safety. Besides more tunnels and bridges, almost all sections of the highway have been widened and asphalted. (Xinhua/Jiang Hongjing)

Photo taken on Oct. 31, 2019 shows part of the No. 317 national highway on Aila mountain on Sichuan-Tibet highway. The Sichuan-Tibet highway, which was put into operation on Dec. 25, 1954 and has a length of over 2,000 kilometers. Over the past 65 years, the central and local governments have invested heavily to lift the highway`s traffic capacity and safety. Besides more tunnels and bridges, almost all sections of the highway have been widened and asphalted. (Xinhua/Jiang Hongjing)

Aerial photo taken on Oct. 23, 2019 shows part of the No. 318 national highway on Jueba mountain on the Sichuan-Tibet highway. The Sichuan-Tibet highway, which was put into operation on Dec. 25, 1954 and has a length of over 2,000 kilometers. Over the past 65 years, the central and local governments have invested heavily to lift the highway`s traffic capacity and safety. Besides more tunnels and bridges, almost all sections of the highway have been widened and asphalted. (Xinhua/Jiang Hongjing)