translation.en: Take one square meter of soil and make it bare like this is down here, and I promise you, you will find it much colder at dawn and much hotter at midday than that same piece of ground if it's just covered with litter, plant litter.
translation.zh: 像这样一平方米的土壤表面 像下面这样程度的裸露着， 我敢说，它会比被植被覆盖的地方， 同样的大的地方， 黎明的时候会冷得多， 中午时会热得多。