industrial machinery at work. aerial shot. excavators and caterpillars on a landslide protection

aerial architecture area asphalt bridge buildings cars caterpillars city cityscape construction copter development drive drone enterprise excavator excavators fly highway hill industrial interchange ladndslide landmark landscape landslide line machinery modern motorway nature outdoor overpass protection road route shot sky street sunny top tourism town track traffic transit transport transportation travel truck tunnel uav urban vehicles viaduct view work