City of Westminster, England, United Kingdom at 1:57pm BST.

London, England, United Kingdom from 10:51am to 1:26pm BST (2 hrs, 34 mins).

Clerkenwell, England, United Kingdom from 10:06am to 10:42am BST (35 mins).

Saffron Walden, England, United Kingdom at 2:24pm BST.

Saffron Walden, England, United Kingdom at 1:45pm BST.

Saffron Walden, England, United Kingdom at 1:30pm BST.

Saffron Walden, England, United Kingdom at 1:28pm BST.

Saffron Walden, England, United Kingdom at 1:16pm BST.

Saffron Walden, England, United Kingdom from 12:10pm to 1:06pm BST (56 mins).

Balsham, England, United Kingdom at 11:55am BST.

Duxford, England, United Kingdom at 11:41am BST.

Belsize Park, England, United Kingdom from 7:12pm to 8:50pm BST (1 hr, 37 mins).

Belsize Park, England, United Kingdom at 6:50pm BST.

Belsize Park, England, United Kingdom at 6:26pm BST.

Belsize Park, England, United Kingdom at 6:12pm BST.

Blackheath, England, United Kingdom at 3:56pm BST.

Blackheath, England, United Kingdom at 3:47pm BST.

Blackheath, England, United Kingdom at 3:34pm BST.

Poplar, England, United Kingdom at 3:22pm BST.

Poplar, England, United Kingdom at 3:20pm BST.