Birds fly in and out of the eight-storey "Green Office Building" in Shenzhen, China, because a third of its walls are completely open to the air. It's a clever natural design that enables the building to stay cool without air conditioners.
Across town, in a vast campus known as the "Low Carbon Park", mist is sprayed into the air to cool the streets down and remove dust. — The BBC
Experiments like these are appearing across China's cities, as part of a devolution of power designed to clean up smoggy air and meet energy targets to tackle climate change.