褐煤露天礦開採 - 4K 影片檔
Close up of the digging wheel from a large Bucket Wheel Excavator working in a lignite surface mine in Germany. Moody sky at dusk. Excavator is already illuminated.
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Close up of the digging wheel from a large Bucket Wheel Excavator working in a lignite surface mine in Germany. Moody sky at dusk. Excavator is already illuminated.
