What did the ancients do in the cold season, ANT FOREST?

The quiz question of ant manor knowledge is, what did the ancients do in the cold season? Options are a, collecting ice cubes; B. stir-fry peanuts. Another question is: What is the last solar term among the 24 solar terms in a year? One of the question options is A, severe cold, and the other is B, frost.

In view of these problems, let's take a look at what the ancients did in the cold season, collecting ice cubes or frying peanuts. What is the last of the 24 solar terms in a year? Is it cold or frost?

Ant Manor answered and analyzed: What did the ancients do in the cold season? The specific answer is as follows.

"Slight cold and cold, frozen into ice hockey", the cold season is the period of "three or nine days", which is called "walking on the ice in March and April". There was no refrigerator in ancient times, and it was impossible to popularize saltpeter to make ice later. Therefore, the ancients generally collected ice cubes at the coldest time of the year, stored them in the freezer, and took them out in summer. The custom of picking ice in cold weather continued from Shang and Zhou Dynasties to Ming and Qing Dynasties. The Zhou Dynasty picked ice at the beginning of the twelfth lunar month, and the Ming and Qing Dynasties picked ice before and after the Great Cold.

Ant Manor replied: What did the ancients do in the cold season? Is it "collecting ice cubes" or "frying peanuts"? The correct answer is "collecting ice".