#86: Cherry Blossom and Flooding at springtime - FLOOD PROTECTION SECRETS by Dr Andreas Klippe｜Homeowner｜Businessman｜Public Servant｜Architect/ Engr. | OndaCast
The beginning of spring marks the astronomical start of spring on 20 or 21 March. It is the period of the equinox, when the sun is vertical above the equator. Day and night are then of equal length, each lasting 12 hours.
