In pictures: The Eden Project

The creators of the £74m Eden Project - a giant greenhouse in Cornwall which will house thousands of plants from all over the world - lift the lid on the half-built structure.

Visitors arrive at the former china clay pit to see the structure take shape

Tim Smit, chief executive of The Eden Project, keeps an eye on his "baby"

Janneke Groen, from the Netherlands, shows off her visitors' pass

Special lightweight steel and glazed foil has been used on the giant domes

The landscape at Bodelva, near St Austell has been changed out of all recognition

There are fears that Cornwall's infrastructure will not be able to cope with the number of visitors