My chasto rassuzhdaem o roli lichnosti v istorii, o revolyutsiyah i izobreteniyah, no redko zadumyvaemsya o tom, kakuyu rol v biografii nashego
vida sygrala estestvennaya sreda: klimat, relef, bioraznoobrazie. Tak, Lyuis Dartnell utverzhdaet, chto evolyutsiyu cheloveka v Vostochnoy Afrike
podtalkivali geologicheskie protsessy, demokratiya v Drevney Gretsii zarodilas blagodarya obiliyu gornyh landsha...