I'm coming to London for three days. I'll be taking the underground from LHR to Aldgate East (and vice versa at the end of my stay). I'll also need to get around London while I'm there.
I'm not sure if I should get a Visitor card, a 7-day pass or pay-as-I-go? I know there are zone restrictions on the 7-day pass but I'm not familiar with the zones.
Suggestions?
TIA