400 kV Thames Crossing
The 400 kV Thames Crossing is an overhead power line crossing of the River Thames, between Botany Marshes in Swanscombe, Kent, and West Thurrock, Essex, England. Its towers are the tallest electricity pylons in the UK. The present crossing was built in 1965, and comprises two 190-metre (623 feet) tall lattice towers each side of the Thames.