The Yangtze River dolphin, or baiji, is an endangered species that needs protection.

This beautiful zoisite is part of my mineral collection.

The children were enjoying shell gathering at the beach.

The zoo opens at 9 a.m.

The park opened, so the children went to play.

Please choose the correct one from the set of possible answers to this question.

He listens to relaxation music every night to get a good night's sleep.

It's important to have a pleasant sleep every night.

He became famous on 'Idiotter' (Twitter).

It is said that in the old days, Kaisen people used to live in this area.