China - What happens when relics are found during a construction project?

Whether it is building the subway systems in Hong Kong or constructing the Olympics facilities near Beijing, part of infrastructure development in China is managing the possibility that the project will stumble upon a piece of ancient Chinese history.

The city of Xian, once the centre of power in ancient China across 13 dynasties and thousands of years, struggles with a public transport system that lags behind other Chinese cities of its size, home to about 12 million people.