National Geographic : 1923 Mar
RESTING ON THEIR WAY TO MARKET: MEXICO CITY This square is the Zocalo, or Plaza Mayor. It dates from the time of the Aztecs and was the place of human sacrifice. Shade trees similar tothose which adorn the plazas of Pueblo and Oaxaca once stood here, but during the incessant fighting of successive revolutions these have been destroyed soasnottohinder machine gun fire from the Government Palace and other buildings fronting on the square. The building in thebackground istheCathedral.