sand pit and blue sky
Palabras clave
activity,
background,
bucket,
building,
bulldozer,
business,
coal,
construction,
cutting,
digging,
direction,
dirt,
earth,
engineering,
environment,
equipment,
food,
gravel,
heap,
heavy,
hill,
horizontal,
industry,
land,
large,
loading,
location,
machinery,
material,
mine,
mineral,
mining,
mover,
nature,
object,
open,
opening,
pit,
power,
quarry,
sand,
steel,
tire,
transportation,
trap,
travel,
vehicle,
wealth,
men at work,
working
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