Like most of ancient megalithic structures, the main question pending at Puma Punku is how the builders managed to move those huge stones. The biggest stones found on site are weighing from 50 to 135 tons with the heaviest reaching an astonishing 440 tons! This is 600 cars! How did they move them?
Another “anomaly” is that Puma Punku shows perfectly drilled holes, showing patterns that we are all familiar with in modern times. But the precision, shapes and accuracy of those stoneworks are barely imaginable without computer-assisted machinery. This is not speculation. It is simply admitted by archeologists or engineers who visited Puma Punku.