我发现北美的农业历史非常有趣,以下是其中一个原因。这是一个chinampa,它们是阿兹特克人用于农业的浅湖床花园。它们的比例允许作物保持最佳水分。
I find the history of agriculture in North America so interesting, here's one of the reasons why. This is a chinampa, they were shallow lake bed gardens used by the Aztecs for farming. Their proportions allowed for optimal moisture retention for crops.