Tourists on a "Hangang Bus" greet another "Hangang Bus" passing by, in Seoul, South Korea, on Sept. 26, 2025. Seoul launched the "Hangang Bus" recently. Residents and tourists who take the "Hangang Bus" could enjoy the scenery of Seoul along the Han River. (Xinhua/Yao Qilin)

Tourists enjoy the scenery of the Han River on a "Hangang Bus" in Seoul, South Korea, Sept. 26, 2025. Seoul launched the "Hangang Bus" recently. Residents and tourists who take the "Hangang Bus" could enjoy the scenery of Seoul along the Han River. (Xinhua/Yao Qilin)

Tourists line up to board the "Hangang Bus" in Seoul, South Korea, on Sept. 26, 2025. Seoul launched the "Hangang Bus" recently. Residents and tourists who take the "Hangang Bus" could enjoy the scenery of Seoul along the Han River. (Xinhua/Yao Qilin)

A "Hangang Bus" stops at Yeouido Pier in Seoul, South Korea, on Sept. 26, 2025. Seoul launched the "Hangang Bus" recently. Residents and tourists who take the "Hangang Bus" could enjoy the scenery of Seoul along the Han River. (Xinhua/Yao Qilin)

A tourist enjoys the scenery of the Han River on a "Hangang Bus" in Seoul, South Korea, Sept. 26, 2025. Seoul launched the "Hangang Bus" recently. Residents and tourists who take the "Hangang Bus" could enjoy the scenery of Seoul along the Han River. (Xinhua/Yao Qilin)