Truly marvelous! China's high-tech achievements in past five years

Visitors look at a model of the BeiDou navigation satellite system on display at the 9th China International Aviation and Aerospace Exhibition, also known as Airshow China 2012, in the city of Zhuhai, south China's Guangdong province, November 13, 2012. China's home-grown BeiDou navigation satellite system will cover countries and regions involved in the Belt and Road routes by 2018. [Photo: IC]