Last Journey on the 521. Go-ahead London Alexander Dennis Enviro200 EV BYD ADL SEe11 LJ16NNT.

Once again, TFL at its rubbish, I mean, it's LoVeLy cut to withdraw a useful route from London Bridge to Waterloo.
521 is a useful route when you can't get the Jubilee or northern line to Waterloo,when both tubes have delays or shut.