But the craziest thing they've probably done was just last century when they transformed an entire ocean bay into two freshwater lakes and reclaimed enough land from it to add another province into the Netherlands called Flevoland.

但他们做过的最疯狂的事情可能是在上个世纪，他们把整个海湾变成了两个淡水湖，并填海造地，进而在荷兰又增加了一个省份，叫做弗莱福兰。