He is participating in a fierce competition.

When the rainy season begins, it rains almost every day.

The torrent of that river becomes particularly intense during the rainy season.

We often have picnics by the river on weekends.

We often have picnics by the river on weekends.

We have a picnic by the river every weekend.

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.