The area was very difficult to approach and heavily fortified.

The home was heavily fortified when the next war approached.

The border between the two nations remains the most heavily fortified in the world.

Afterwards, they march up and find the road heavily fortified.

It was heavily fortified and could not easily be taken by assault.

Both said they had not personally seen the Americans, but that the woods were heavily fortified.

The city was heavily fortified and its garrison well prepared.

They track him to a Chinese temple that is heavily fortified.

All we know for certain is that the area around it has been heavily fortified and put under strict guard.

The Russian government claimed that the village was heavily fortified.