People attend the 12th Silence Zone Festival at Lazienki Park in Warsaw, Poland on July 20, 2025.

The festival is taking place here from July 12 to Aug. 3, with more than 100 open-air concerts scheduled on weekends. (Photo by Jaap Arriens/Xinhua)

People attend the 12th Silence Zone Festival at Lazienki Park in Warsaw, Poland on July 20, 2025.

The festival is taking place here from July 12 to Aug. 3, with more than 100 open-air concerts scheduled on weekends. (Photo by Jaap Arriens/Xinhua)

People attend the 12th Silence Zone Festival at Lazienki Park in Warsaw, Poland on July 20, 2025.

The festival is taking place here from July 12 to Aug. 3, with more than 100 open-air concerts scheduled on weekends. (Photo by Jaap Arriens/Xinhua)

People attend the 12th Silence Zone Festival at Lazienki Park in Warsaw, Poland on July 20, 2025.

The festival is taking place here from July 12 to Aug. 3, with more than 100 open-air concerts scheduled on weekends. (Photo by Jaap Arriens/Xinhua)

Violinists perform during the 12th Silence Zone Festival at Lazienki Park in Warsaw, Poland on July 20, 2025.

The festival is taking place here from July 12 to Aug. 3, with more than 100 open-air concerts scheduled on weekends. (Photo by Jaap Arriens/Xinhua)

People attend the 12th Silence Zone Festival at Lazienki Park in Warsaw, Poland on July 20, 2025.

The festival is taking place here from July 12 to Aug. 3, with more than 100 open-air concerts scheduled on weekends. (Photo by Jaap Arriens/Xinhua)