This piece of art is made of serpentine.

He is interested in heraldry and is researching his family's coat of arms.

This cold is unbearable.

He is a disciple of a famous painter.

He was wearing a kimono with a mon proudly.

It's no big deal if he's a little late.

The Adige is the second longest river in Italy.

The Congo River is the largest river in Africa.

The Danube is one of the longest rivers in Europe.

The Aar river is one of the beautiful rivers in Switzerland.