Visitors are seen in front of the Kuanjie Street Museum in Harbin, northeast China's Heilongjiang Province, Sept. 3, 2025. Harbin is home to various non-profit private museums with rich collections of cultural relics and historical archive which bear witness to the evolution of a city at the forefront of the East-West cultural exchange. (Xinhua/Wang Song)

Visitors are seen at the Kuanjie Street Museum in Harbin, northeast China's Heilongjiang Province, Sept. 3, 2025. Harbin is home to various non-profit private museums with rich collections of cultural relics and historical archive which bear witness to the evolution of a city at the forefront of the East-West cultural exchange. (Xinhua/Wang Song)

A visitor is seen at the Harbin Gallery of City History in Harbin, northeast China's Heilongjiang Province, Sept. 3, 2025. Harbin is home to various non-profit private museums with rich collections of cultural relics and historical archive which bear witness to the evolution of a city at the forefront of the East-West cultural exchange. (Xinhua/Wang Song)

Visitors view paintings at a Chinese and Russian oil painting museum on Pingyuan Street in Harbin, northeast China's Heilongjiang Province, Sept. 7, 2025. Harbin is home to various non-profit private museums with rich collections of cultural relics and historical archive which bear witness to the evolution of a city at the forefront of the East-West cultural exchange. (Xinhua/Wang Song)

This photo taken on Sept. 3, 2025 shows the Kuanjie Street Museum in Harbin, northeast China's Heilongjiang Province. Harbin is home to various non-profit private museums with rich collections of cultural relics and historical archive which bear witness to the evolution of a city at the forefront of the East-West cultural exchange. (Xinhua/Wang Song)

People walk past the Duanjie Street Museum in Harbin, northeast China's Heilongjiang Province, Sept. 3, 2025. Harbin is home to various non-profit private museums with rich collections of cultural relics and historical archive which bear witness to the evolution of a city at the forefront of the East-West cultural exchange. (Xinhua/Wang Song)

A visitor takes photos of a painting at a Chinese and Russian oil painting museum on Pingyuan Street in Harbin, northeast China's Heilongjiang Province, Sept. 7, 2025. Harbin is home to various non-profit private museums with rich collections of cultural relics and historical archive which bear witness to the evolution of a city at the forefront of the East-West cultural exchange. (Xinhua/Wang Song)

This photo taken on Sept. 3, 2025 shows a directional sign to the Kuanjie Street Museum in Harbin, northeast China's Heilongjiang Province. Harbin is home to various non-profit private museums with rich collections of cultural relics and historical archive which bear witness to the evolution of a city at the forefront of the East-West cultural exchange. (Xinhua/Wang Song)

Visitors view paintings at a Chinese and Russian oil painting museum on Pingyuan Street in Harbin, northeast China's Heilongjiang Province, Sept. 7, 2025. Harbin is home to various non-profit private museums with rich collections of cultural relics and historical archive which bear witness to the evolution of a city at the forefront of the East-West cultural exchange. (Xinhua/Wang Song)

A visitor is seen at the Kuanjie Street Museum in Harbin, northeast China's Heilongjiang Province, Sept. 3, 2025. Harbin is home to various non-profit private museums with rich collections of cultural relics and historical archive which bear witness to the evolution of a city at the forefront of the East-West cultural exchange. (Xinhua/Wang Song)

This photo taken on Sept. 3, 2025 shows the Kuanjie Street Museum in Harbin, northeast China's Heilongjiang Province. Harbin is home to various non-profit private museums with rich collections of cultural relics and historical archive which bear witness to the evolution of a city at the forefront of the East-West cultural exchange. (Xinhua/Wang Song)

A visitor walks past a painting at a Chinese and Russian oil painting museum on Pingyuan Street in Harbin, northeast China's Heilongjiang Province, Sept. 7, 2025. Harbin is home to various non-profit private museums with rich collections of cultural relics and historical archive which bear witness to the evolution of a city at the forefront of the East-West cultural exchange. (Xinhua/Wang Song)

This photo taken on Sept. 3, 2025 shows the Harbin Gallery of City History in Harbin, northeast China's Heilongjiang Province. Harbin is home to various non-profit private museums with rich collections of cultural relics and historical archive which bear witness to the evolution of a city at the forefront of the East-West cultural exchange. (Xinhua/Wang Song)

This photo taken on Sept. 3, 2025 shows the Duanjie Street Museum in Harbin, northeast China's Heilongjiang Province. Harbin is home to various non-profit private museums with rich collections of cultural relics and historical archive which bear witness to the evolution of a city at the forefront of the East-West cultural exchange. (Xinhua/Wang Song)

A visitor is seen at the Harbin Gallery of City History in Harbin, northeast China's Heilongjiang Province, Sept. 3, 2025. Harbin is home to various non-profit private museums with rich collections of cultural relics and historical archive which bear witness to the evolution of a city at the forefront of the East-West cultural exchange. (Xinhua/Wang Song)

This photo taken on Sept. 7, 2025 shows a Chinese and Russian oil painting museum on Pingyuan Street in Harbin, northeast China's Heilongjiang Province. Harbin is home to various non-profit private museums with rich collections of cultural relics and historical archive which bear witness to the evolution of a city at the forefront of the East-West cultural exchange. (Xinhua/Wang Song)