This bridge was built by ancient architects.

He was observing the distant birds using binoculars.

He is using that coat from winter to spring.

You need to use your head to solve this problem.

Mr. Tori is my neighbor.

Birds have feathers and wings.

I saw a bird in the park.

I often go birdwatching in the park on weekends.

He committed another crime while on probation.

When the door opened, a bell sounded with a 'gan'.