What we had failed to understand was that these seasonal humidity environments of the world, the soil and the vegetation developed with very large numbers of grazing animals, and that these grazing animals developed with ferocious pack-hunting predators.
Lo que no logramos comprender era que estos ambientes del mundo con humedad estacional, el suelo y la vegetación se desarrollaron con un gran número de animales de pastoreo, y que estos animales se desarrollaron con los feroces depredadores en manada.