It is not known how this empire fell but in their prime, the people of Teotihuacan were expert architects, mathematicians, artists, and stonemasons who traded with civilizations reaching regions as far as what is now Guatemala. There are two key structures, the Temple of the Sun and Temple of the Moon both of which are along the ‘street of the dead’. All the standing structures are believed to have been used specifically for spiritual rituals and public ceremonies with residencies built around them. A truly magnificent archaeological site that has stood the test of time. The complex is currently being excavated with the recent discovery of tunnels beneath the pyramids which were revealed by a flood.