He hung a picture on the eastern wall.

He hung a picture on the northern wall.

His favorite vase is placed in this niche.

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

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

This building is surrounded by firewalls.

He likes to take a walk in the park at dusk.

This building is equipped with an impermeable wall, preventing water intrusion.

We should always remember the power of Kannon in difficult times.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.