STEEL CANOPY GUARDS STONE AGE BUILDING (Apr, 1933)
STEEL CANOPY GUARDS STONE AGE BUILDING
Government engineers have just erected the odd steel umbrella pictured above to shelter from the elements a twelfth-century pueblo watch-tower in Arizona. Archeologists consider the mud-walled structure the most important of its kind. The Stone Age builders bored two holes in the walls, so aligned that beams of the rising sun traversed both only on March seventh and October seventh— thus warning of changes in season.