China building world’s largest artificial-island airport in Dalian

China is constructing the world's largest artificial island airport, the Dalian Jinzhouwan International Airport, to boost regional trade and connectivity. Spanning 20 square kilometres, it will feature four runways and a 900,000-square-metre terminal. Set for completion by 2035 at a cost of $4.3 billion, the airport will eventually handle up to 80 million passengers annually.