Footage

Top-down view of an excavator dredging sludge from a polder ditch

Excavator dredging a ditch in a polder at dawn

Excavator loads steaming soil into a truck by a polder windmill

Top-down view of a tractor spraying ditch sludge over polder meadow

Tractor spraying ditch slurry over a polder meadow

Tractor spreading slurry on a narrow meadow strip in a ditched polder

Tractor spreading manure in a polder, reveal to the horizon

Excavator working in a wetland beside a lake and dike

Orbit around a polder windmill with an excavator by a canal in autumn

Excavator on a pontoon dredging mud from a shallow lake

Top-down over narrow peat meadow strips and ditches in a polder

Top-down view of an excavator on a pontoon loading a barge

Flight over fields and ditches in a flat polder

Tractor on a narrow meadow between ditches in a polder

Flyover across narrow meadow plots and ditches in a peat polder

Excavator on a pontoon dredging a shallow lake in winter

Tractor cutting drainage trenches in a meadow under a grey sky

Narrow polder plots with ditches and grazing livestock from above

Amphibious excavator at work in a shallow lake

Parallel ditches between strips of green grassland in a polder

Orbit around an excavator at a new wetland bank beside a lake

Orbit around a tractor mowing between ditches in a polder

Excavator on a pontoon dredging a lake beside a motorway

Pattern of green meadow strips and ditches in a polder