Page:Popular Science Monthly Volume 88.djvu/228

 New Labors of Hercules

��� ��Building a mountain. This is not a ruined temple in Central America, but fodder stacked by

Russian Prisoners for the use of German horses during the winter campaign. The Russians

have gladly accepted the opportunity to work outside the war prisons

���Caves are now used along the whole western front for the storage of explosives. With

the aid of aeroplane scouts, gunners have been remarkably successful in dropping shells

upon the ammunition stores of the enemy. Hence the need for caves

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