There were many droughts and extremely sultry weather in ancient China. At the hottest time, the temperature has already exceeded 35 degrees, even as high as 40 degrees. In ancient times, this kind of disaster was called? Heat disaster? . There were many heat disasters in the early years of the Northern Song Dynasty. According to the historical records at that time, the heat wave of the hot summer can last for dozens of days at a time, and all the crops in the field, trees and herbs on the mountain died. Every household is afraid to come out during the day, and it hurts to bask in the sun. Moreover, because most wells are exhausted and there is not enough drinking water, many people die of thirst at home, and the total number of people who die of heat exceeds 10 thousand.
In the later period, when water is scarce, even the ordinary turbid river water becomes very valuable. According to the records, it's just a glass of river water? Tens of dollars? Amazing price. The hottest time in ancient times reached this point, so how did the ancients enjoy the cool? As ordinary people, there is no particularly good way to spend the summer disaster. Nothing more than hiding at home and fanning the wind with a fan. If there is water, soak it in a vat to cool down. The smarter ones hide in the cellar because the underground temperature is relatively low. The key is that when there is no water to drink, there is no way. In fact, many people can only wait to die.
At this time, the rich will be in a better mood. They often stored a lot of drinking water in the cellar in the early stage, and in ancient times there were ways to make ice cubes with saltpeter. They hide the ice cubes collected in winter or made of saltpeter in a deep cellar, cover them with straw, leaves and unwanted quilts, and take them out in summer. Although some of it will melt, there will still be a lot of ice to use. This is a cool artifact for them to spend the summer disaster.