William 1 started construction in1078 and it has been added to over the centuries.
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.
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.
1886 to 1894