9. Rice Terraces, Vietnam
After centuries of hindsight, it looks like the rice was the best choice for humanity’s most well known food. Yes, it goes with sushi and growing rice in Vietnam is very hard and needs a lot of water, with a smooth area that farm owners will flood during the springtime. The crops in Vietnam’s Rice Terraces are particularly hard work in hilly places where farm owners must make their flat lands by chiseling the floodable terraces into rich hill slides.