The Acheron river is located in Greece.

He said 'Open Sesame' as if by magic, and the door opened.

When dawn breaks, the birds start singing.

There are many beautiful acacia trees in this park.

The period of time before daybreak is quiet and beautiful.

He proceeded with his work in a matter-of-fact manner.

He was drinking coffee calmly.

He topped the spaghetti with a meatball.

This character is written as 劤, but it has the same meaning as 勁.

I go fishing on the bank every week.