The forest has been cleared, the bridge is already in place, too. Only the road surface is missing.
In Germany, every day an area the size of 125 soccer fields disappears under concrete and asphalt.
In the process, 250 million tons of sand and gravel are used per year.
But where do the many small stones come from?
Where, only a short time ago, corn, trees or grass used to grow, today excavator shovels dig into the soil. Like a wound in the landscape it is lying there – the gravel pit. But gravel pits are more than holes in the earth.
