![TBM Charlotte Breakthrough](/media/1061/charlotte-breakthrough-king-georges-park-16.jpg?anchor=center&mode=crop&width=400&height=270&rnd=132785941150000000)
TBM Charlotte Breakthrough
![Aerial view](/media/5224/aerial.jpg?anchor=center&mode=crop&width=400&height=270&rnd=132785940900000000)
Aerial view
![Underground engineering](/media/5225/underground-engineering-3.jpg?anchor=center&mode=crop&width=400&height=270&rnd=132785940760000000)
Underground engineering
Our site in King George's Park in Wandsworth is the start of our Frogmore Connection Tunnel, which links the sewer overflows into the main tunnel.