This is my grandparents' house.

My house is near the mountains.

My house is near the mountains.

My house is near the mountains.

He is a computer expert.

My house is big.

He threw a smoke bomb to obstruct the enemy's view.

Due to the fire, there was thick smoke everywhere.

In ancient times, it was a struggle to climb the mist-shrouded slope.

The flue of this house is old and needs repair.