In the tropics, raindrops are not formed from ice crystals, which is the case in the temperate zones, you need the trees with [unclear], chemicals that come out of the leaves of the trees that initiate the raindrops.
La tropice, picaturile de ploaie nu se formeaza din cristale de gheata ca in zonele temperate. Aici e nevoie de copaci cu fermenți microscopici, chimicalele produse de frunze care initiaza picaturile de ploaie.