the first construction was the White Tower, built by William the Conquerer in 1078
William the Conqueror around 1080.
William 1 in 1087
the white tower at the tower of london
Stone
The Tower of London, the White Tower, was built by William the Conqueror, in 1078.
The Tower of London.
Gedan B. Sindayen
Lego.
Because that is where Mr. Eiffel decided to build it.
It was completed in 1894
The present London Bridge is a pre-stressed concrete box girder bridge.
1886 to 1894
Eight years
About six years.