These floating gardens are proof that the Aztec invented hydroponic farming.
这些漂浮的花园证明阿兹特克人发明了水培农业。
2
But the Aztec civilization back in the thirteenth century is basically where Mexico city is today.
但是，13世纪的阿兹特克文明基本上就如今天墨西哥城的所在。
3
Although the mysteries of the Aztec, Mayan, and Inca civilizations have been known for centuries, now the public is also becoming aware of unusual, paranormal phenomena in countries such as Peru.