Cool
When the Tower of London was built, there was no particular street that it was on but it is now on Tower Hill.
London
The tower of London is built on a foundation of stone, which has supported it since it was built.
To defend London, was built by William the Conqueror It was built as his home in London.
In the Tower of London.
To defend London
If you mean the Tower of London, as its name indicates, it is in London.
The Tower of London did not exist in the time of William the Conqueror. After conquering England, William built the White Tower, which is now part of the tower of London. The rest of the Tower of London complex was built by later sovereigns. According to legends, the white tower may have been built on the site of a old roman fortification; which likely would have been in ruins at this point in time. However there is no real evidence for this.
Defensive purposes. It is now a major tourist attraction and museum.
Adjacent to the Tower of London.
Adjacent to the Tower of London.
a tower that was built to imprison people