My grandmother has been suffering from rheumatism for many years.

The discovery of the Higgs particle represents a major advancement in physics.

This area used to be plagued by attacks from roving bandits.

There are many beautiful katsura trees in the park.

This factory strictly controls the emission of hydrogen sulphide.

The troposphere is the lowest part of the Earth's atmosphere, and most of the weather occurs here.

Carina is one of the constellations in the southern hemisphere.

He is collecting stamps.

The police detained him in the detention center.

He stood up and started talking.