The base of the plaque is black with a shape that has forms taken from castle architecture such as crenellation.

At the same time, castle architecture in mainland Europe became more sophisticated.

The donjon was at the centre of this change in castle architecture in the 12th century.

At the same time there was a change in castle architecture.

At the same time, French castle architecture came to the fore and led the way in the field of medieval fortifications.

Even elements of castle architecture that have usually been interpreted as military could be used for display.

It is describe as 'the first example in Britain of the most monumental type of castle architecture.

Still, it remains a very fine example of castle architecture in Estonia.

Maybe the fashions in castle architecture have changed too.

The cellar was also used to store valuable portals and pieces of the castle architecture.