The natural phenomena in spring include: warming air, ice-breaking running water, green willow branches, budding buds, everything will revive as the temperature rises, fish will jump from flowing streams, and summer migratory birds will fly back from the south in the north.
Spring, also known as spring, is the first of the four seasons, which refers to the period from beginning of spring to long summer, including solar terms such as beginning of spring, rain, fright, vernal equinox, Qingming and Grain Rain. It's the season when everything comes back to life. Usually, March to May in the Gregorian calendar in the northern hemisphere is designated as spring, while late September to late December in the southern hemisphere is designated as spring.