Scottland Yard
One assumes you are talking about the Jack the Ripper (actually there were several murders of low-life types in London Red-light zone) in the l880:s/) Movies and stuff have moved up the scale to say l900"s to use more modern props like automobiles of the early type, but they happened ( Homicides, not automobiles!) earlier. The Ripper crimes have never been officially solved.
To defend London, was built by William the Conqueror It was built as his home in London.
London is built on clay, not on a rock.
In london
The cenotaph was built in Whitehall, in London after WWI.
The London Wall was first built by the Romans.
london was built upon clay and not rock
London
London
It was there already. London was built around the river.
it was built in London, England over the Thames river
To defend London