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, 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. (Photos: 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, 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.

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, 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.

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, 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.

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, 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.

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, 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.

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, 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.

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, 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.

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, 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.

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, 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.

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, 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.