Stonehenge is a prehistoric monument and UNESCO World Heritage site located in Wiltshire, southern England. Archaeologists believe it was built in three stages anywhere between 3000 BC to 2000 BC. The monument is constructed of Bluestone, Sarsen, Welsh Sandstone which stand in a ring. It is not known why or how Stonehenge was constructed - some believe it was a place of healing while others claim it is a burial place. It attracts millions of visitors each year. 

US President Barack Obama ticks Stonehenge off his bucket list in 2014. Picture: AFP

Stonehenge: the good, bad and ugly sides

When it comes to public access to Britain’s most visited attraction outside London, heritage bodies are walking a fine line between exploitation and conservation