Tláloc the rain god in many of Mexico's indigenous cultures (and my personal fav) is shown here guarding the entrance to the aqueduct built in 1909. It still provides 30 of Mexico City's water. The right sandal shows water winding through the mountains the left shows the history of this hydraulic protect. From his left hand he drops corn seed in the right he holds corn cobs. Diego came to paint his murals inside in 1950.