This is an absolutely incredible piece of work, showing the complexity and sophistication of the Aztec empire. My favourite part is the slider that allows you to see how much of Mexico City is based upon the structure of Tenochtitlan.

The year is 1518. Mexico-Tenochtitlan, once an unassuming settlement in the middle of Lake Texcoco, now a bustling metropolis. It is the capital of an empire ruling over, and receiving tribute from, more than 5 million people. Tenochtitlan is home to 200.000 farmers, artisans, merchants, soldiers, priests and aristocrats. At this time, it is one of the largest cities in the world.

Today, we call this city Ciudad de Mexico - Mexico City.

Not much is left of the old Aztec - or Mexica - capital Tenochtitlan. What did this city, raised from the lake bed by hand, look like? Using historical and archeological sources, and the expertise of many, I have tried to faithfully bring this iconic city to life.

Source: A Portrait of Tenochtitlan