It originated as a gravel excavation pit for the construction of the Eschenried bypass for which more than two million cubic metres of gravel were excavated .
A gravel excavation pit for the construction of the Eschenried bypass is a small section of the A99 Autobahn .
It originated as a gravel excavation pit for the construction of the Eschenried bypass , a small section of the A99 Autobahn , for which more than two million cubic metres of gravel were excavated .