1National Portrait Gallery Buys Rare Photographs of Ada Lovelace for the UK (opens in new tab)(ianvisits.co.uk)5ianvisits6mo ago1Save
2The chemical attack that forced the Northern line's extraordinary repair (opens in new tab)(ianvisits.co.uk)4ianvisits7mo ago0Save
3There’s a medieval wall inside a London office that you can visit (opens in new tab)(ianvisits.co.uk)1ianvisits3y ago0Save
