Does autumn mean anything?

Autumn has the expression of season, harvest, romance and desolation.

Autumn is a bleak season, representing the cycle of the world, the cycle of years, the turning point of the earth ... A charity bridge to build a civilized, peaceful, beautiful and warm society; Autumn leaves can make you sad; But at the same time, it is also romantic. Maple leaves fall everywhere, which is a couple's favorite time.

In autumn, the most obvious change of natural landscape is in trees. The city will begin to clean up a lot of fallen leaves, and many tourists will flock to the mountains to watch the red leaves. Autumn, the third season of the year, is a transitional season from summer to winter. The lunar calendar is from beginning of autumn in July to beginning of winter in September, the solar calendar is from 9: 00 to 1 1, and the astronomical vernal equinox starts from the winter solstice. The standard for meteorologists to study phenology is: after the intense summer heat, the average temperature for five days is stable below 22 degrees, which means that it is autumn, and it is over when it is below 10 degrees.