He is learning the technology of phototypesetting.

This is my new photo album.

He likes to take candid snapshots of daily life.

He is using a drone to take aerial photographs.

I am planning to go to Inner Mongolia, an autonomous region of China, next week.

I have been to Outer Mongolia.

I have been to Chicago.

The Paleogene period was a very important time in the history of the Earth.

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

This orthophoto shows the details of the terrain very clearly.