This photo taken on August 10, 2025 shows the “Nanjing Beer Exchange,” a self-service beer kiosk on Xinjiekou Pedestrian Street in Nanjing. (Photo/CFP)

Consumers can scan a QR code with their phones to order and pour their own beer. A circular electronic screen displays the brands, prices, and real-time transaction volumes of 30 types of beer, with red and green price changes mimicking a stock market board. This novel retail concept has quickly attracted locals and tourists.

This photo taken on August 10, 2025 shows the “Nanjing Beer Exchange,” a self-service beer kiosk on Xinjiekou Pedestrian Street in Nanjing. (Photo/CFP)

This photo taken on August 10, 2025 shows the “Nanjing Beer Exchange,” a self-service beer kiosk on Xinjiekou Pedestrian Street in Nanjing. (Photo/CFP)

This photo taken on August 10, 2025 shows the “Nanjing Beer Exchange,” a self-service beer kiosk on Xinjiekou Pedestrian Street in Nanjing. (Photo/CFP)