A man performing a dredging operation in a river with a single-person operated dredging machine .
The man is using a machine to dredge the river .
A man performing a dredging operation in a river with a single-person operated dredging machine.
The man is using a machine to dredge the river.
A man is performing a dredging operation in the river
A man is performing a dredging operation in the river