Sand from an underwater dune in the North Sea could protect a stretch of Norfolk coast for 15 to 20 years

Beach is now seven metres higher than it was in front of the gas terminal

Currents expected to slowly move sand along the coast

Beach protecting villages is now four metres higher

Beach is now seven metres higher than it was in front of the gas terminal

Currents expected to slowly move sand along the coast

Beach protecting villages is now four metres higher

Beach is now seven metres higher than it was in front of the gas terminal

Currents expected to slowly move sand along the coast

Beach protecting villages is now four metres higher