Heart Shape Stone and Yellow Excavator in the Mud and Sludge of the Drained River

river drained river river bottom canal banks waterways water cleaning river clean river mud dredging sludge deep mud grab debris dirty polluted impure littery rubble backhoe ground land reclamation reclamation improvement yellow excavator excavator bucket mud machine safely sinking excavator works excavator moves iron arm caterpillar construction equipment regeneration project equipment rental business contract excavator operator workmen cat heart shape heart stone sink river flow timelapse