Evidence

For others, the overall structure, with the separate crust, the soft filling, and the absence of flour, is compelling evidence that it is a custard pie.

Despite having formed over billions of years, evidence from volcanic lava flows is so recent many scientists believe it could still be active.

Pictorial evidence of Roman fishing comes from mosaics.

Evidence of recreational swimming in prehistoric times has been found, with the earliest evidence dating to Stone Age paintings from around 10,000 years ago.

There are many myths and legends of Machu Picchu being used as a site for human sacrifice, yet very little scientific evidence backs this fact up.

Based off all available evidence and the style in which Machu Picchu was constructed there is just one theory which is believed to be most likely.