It wasn't until 1978 that the temple dedicated to the Aztec gods Huitzilopochtli and Tláloc (gods of war and water) was unearthed in the heart of Mexico City ... the ancient ruins that are ...

Built in the 16th century by the Spanish on the ruins of Tenochtitlan, the old Aztec capital, Mexico City is now one of the world's largest and most densely populated cities. It has five Aztec temples ...