How a Victorian tunnel could transform the Tower of London’s famous moat

The Tower of London’s moat could be turned into a wildlife-friendly wetland, and all thanks to a Victorian tunnel.
Illustrative view of the West Moat from the causeway between Middle Tower and Byward Tower (c) Grant Associates/Luxigon
The defensive moat was constructed in the 1270s on the orders of King Edward I to replace what had been little more than a partial ditch. The moat remained a water-filled feature until the 1840s, by which time it was more of a sewer, and as it was still conne