China unveils â¹78,000 crore airport for capital city
China has unveiled a new $12 billion (over â¹78,000 crore) airport, tipped to become one of the worldâs largest when it opens in October 2019, in its capital city Beijing. The airport, which will span a total 47 sq km, is expected to serve an initial 4.5 crore passengers a year with an eventual capacity of 10 crore.