A Russian tourist takes photos on a pedestrian street in Heihe, northeast China's Heilongjiang Province, Sept. 15, 2026. Cross-border tourism and people-to-people exchanges between China and Russia have become more active since the introduction of optimized visa-free policies in 2025. (Photo by Zhao Donglai/Xinhua)

Russian tourists shop in Heihe, northeast China's Heilongjiang Province, Sept. 15, 2026. Cross-border tourism and people-to-people exchanges between China and Russia have become more active since the introduction of optimized visa-free policies in 2025. (Photo by Zhao Donglai/Xinhua)

Police officers of the Heihe border inspection station perform border procedures for a foreign passenger arriving in Heihe, northeast China's Heilongjiang Province, Sept. 15, 2026. Cross-border tourism and people-to-people exchanges between China and Russia have become more active since the introduction of optimized visa-free policies in 2025. (Photo by Liu Song/Xinhua)

A Russian tourist tastes food at a night market in Heihe, northeast China's Heilongjiang Province, Sept. 15, 2026. Cross-border tourism and people-to-people exchanges between China and Russia have become more active since the introduction of optimized visa-free policies in 2025. (Xinhua/Na Yuqi)

Russian tourists purchase food at an agricultural market in Suifenhe, northeast China's Heilongjiang Province, Sept. 15, 2026. Cross-border tourism and people-to-people exchanges between China and Russia have become more active since the introduction of optimized visa-free policies in 2025. (Photo by Gao Fugui/Xinhua)

A police officer of the Heihe border inspection station helps a passenger with mobility difficulties cross the China-Russia border in Heihe, northeast China's Heilongjiang Province, Sept. 15, 2026. Cross-border tourism and people-to-people exchanges between China and Russia have become more active since the introduction of optimized visa-free policies in 2025. (Photo by Liu Song/Xinhua)

Russian tourists prepare to board a high-speed train to Suifenhe at Mudanjiang Railway Station in Mudanjiang, northeast China's Heilongjiang Province, Sept. 15, 2026. Cross-border tourism and people-to-people exchanges between China and Russia have become more active since the introduction of optimized visa-free policies in 2025. (Photo by Gao Fugui/Xinhua)

A Russian tourist takes photos at a night market in Heihe, northeast China's Heilongjiang Province, Sept. 15, 2026. Cross-border tourism and people-to-people exchanges between China and Russia have become more active since the introduction of optimized visa-free policies in 2025. (Xinhua/Na Yuqi)

Foreign passengers proceed to border inspection at a port in Heihe, northeast China's Heilongjiang Province, Sept. 14, 2026. Cross-border tourism and people-to-people exchanges between China and Russia have become more active since the introduction of optimized visa-free policies in 2025. (Photo by Zhao Donglai/Xinhua)