Yesterday, a big earthquake occurred.

He is deeply researching the theory of intelligent design.

We need to redesign this project.

I plan to build a new house according to this blueprint.

This building is surrounded by firewalls.

I thought his plan was perfect, but in fact there were some flaws.

He said there's no such thing as a perfect human.

His favorite vase is placed in this niche.

The walls of this room are painted white.

The history of the Berlin Wall is very interesting.