The elevator descended to the basement.

We had a picnic at the foot of the mountain.

I used a digital recorder to record the content of the meeting.

Europium is one of the rare earth elements.

Polonium is one of the radioactive elements.

Einstein proposed the theory of relativity.

I purchased the goods in euros.

This road is very crowded.

This route leads to the library.

It's difficult to understand the movement of the great stag in shogi.