His song echoed in the mountains.

He has a strong mental strength.

Looking at the beautiful scenery, she felt as if she was in a fairyland.

I can only marvel at the beauty of his artwork.

I admired her beauty.

He struggled desperately to get out of that quagmire.

This viaduct was built to smooth the traffic of the city.

This bridge was built by ancient architects.

The work of school affairs is very difficult.

He gave a wonderful piano performance on the spot.