U.S. students participating in the China Education Tour learn about a prototype locomotive using high-temperature superconducting (HTS) maglev technology in Chengdu, southwest China's Sichuan Province, Nov. 6, 2023. More than 20 young people from the United States participated in the China Education Tour in southwest China's Sichuan Province recently.

During the activity, they learned about a prototype locomotive using high-temperature superconducting (HTS) maglev technology and took a high-speed train from Guanghan City to Chengdu City in Sichuan. (Southwest Jiaotong University/Handout via Xinhua)

U.S. students participating in the China Education Tour learn about a trial line for a prototype locomotive using high-temperature superconducting (HTS) maglev technology in Chengdu, southwest China's Sichuan Province, Nov. 6, 2023. More than 20 young people from the United States participated in the China Education Tour in southwest China's Sichuan Province recently.

During the activity, they learned about a prototype locomotive using high-temperature superconducting (HTS) maglev technology and took a high-speed train from Guanghan City to Chengdu City in Sichuan. (Southwest Jiaotong University/Handout via Xinhua)

A U.S. student participating in the China Education Tour learns about high-temperature superconducting (HTS) maglev technology in Chengdu, southwest China's Sichuan Province, Nov. 6, 2023. More than 20 young people from the United States participated in the China Education Tour in southwest China's Sichuan Province recently.

During the activity, they learned about a prototype locomotive using high-temperature superconducting (HTS) maglev technology and took a high-speed train from Guanghan City to Chengdu City in Sichuan. (Southwest Jiaotong University/Handout via Xinhua)

A U.S. student participating in the China Education Tour learns about a prototype locomotive using high-temperature superconducting (HTS) maglev technology in Chengdu, southwest China's Sichuan Province, Nov. 6, 2023. More than 20 young people from the United States participated in the China Education Tour in southwest China's Sichuan Province recently.

During the activity, they learned about a prototype locomotive using high-temperature superconducting (HTS) maglev technology and took a high-speed train from Guanghan City to Chengdu City in Sichuan. (Southwest Jiaotong University/Handout via Xinhua)

U.S. students participating in the China Education Tour learn about a prototype locomotive using high-temperature superconducting (HTS) maglev technology in Chengdu, southwest China's Sichuan Province, Nov. 6, 2023. More than 20 young people from the United States participated in the China Education Tour in southwest China's Sichuan Province recently.

During the activity, they learned about a prototype locomotive using high-temperature superconducting (HTS) maglev technology and took a high-speed train from Guanghan City to Chengdu City in Sichuan. (Southwest Jiaotong University/Handout via Xinhua)

U.S. students participating in the China Education Tour pose for a group photo besides a prototype locomotive using high-temperature superconducting (HTS) maglev technology in Chengdu, southwest China's Sichuan Province, Nov. 6, 2023. More than 20 young people from the United States participated in the China Education Tour in southwest China's Sichuan Province recently.

During the activity, they learned about a prototype locomotive using high-temperature superconducting (HTS) maglev technology and took a high-speed train from Guanghan City to Chengdu City in Sichuan. (Southwest Jiaotong University/Handout via Xinhua)

U.S. students participating in the China Education Tour sit inside a prototype locomotive using high-temperature superconducting (HTS) maglev technology in Chengdu, southwest China's Sichuan Province, Nov. 6, 2023. More than 20 young people from the United States participated in the China Education Tour in southwest China's Sichuan Province recently.

During the activity, they learned about a prototype locomotive using high-temperature superconducting (HTS) maglev technology and took a high-speed train from Guanghan City to Chengdu City in Sichuan. (Southwest Jiaotong University/Handout via Xinhua)