Tianjin sunken courtyard pictures

Quick answer：

Tianjin sunken courtyards, also known as 'subterranean gardens,' are traditional Chinese architectural features found in urban areas, particularly in Tianjin. These courtyards are below ground level and often feature gardens with plants, ponds, and pavilions, creating a serene space amidst the bustling city. Pictures of Tianjin sunken courtyards showcase these unique and culturally significant structures, highlighting their architectural beauty and historical significance.