Why are walls in the US and the UK empty in between?

Why are walls in the US and the UK empty in between? It's a common cliche in Hollywood movies: when the main character, usually a man, finds himself in an unbalanced emotional state or has just received devast...

Shenzhen Luohu Friendship Trading Centre | Aedas

Shenzhen Luohu Friendship Trading Centre is a redevelopment of a current department store to be transfigured into a new skyscraper with a 7-storey retail podium at the heart of Luohu in Shenzhen, China. The des...