圖
GKONG PUBLIC LIBRART
"ና
By clapping hands, office workers raise the water level of a fountain, which responds to surrounding noise in the heart of busy Central District
KOD BX
圖
GKONG PUBLIC LIBRART
"ና
By clapping hands, office workers raise the water level of a fountain, which responds to surrounding noise in the heart of busy Central District
KOD BX