Which summer solstice gathering, held at the ancient stone circle in Wiltshire, draws thousands each June to watch the sunrise over the Heel Stone?

• A Avebury summer gathering
• B Callanish solstice
• C Stonehenge summer solstice ✓
• D Glastonbury solstice

The Stonehenge summer solstice celebration attracts up to 30,000 people each year; English Heritage grants free access to the stones for the night of the solstice.