The main fortress took many years to build as the building material (granite) required for construction had to be imported from China.

The guards had held the great portal of the main fortress until their companions were safe.

The bombardment of the main fortress started late on 15 August 1854.

It was separate and unrelated to the Jewish ghetto in the main fortress on the river's right side.

Some main fortresses continued the fight, despite appeals for surrender.

He stood in the main fortress of a threatened, perhaps a doomed land.

It was also transformed into one of the main fortresses of the kingdom.

Away from the main fortress in case there are any nasty explosions.

The work started from the outer bastions and the main fortress followed after.