Everything was damp and rife and hot as though the jungle were an immense collection of oily rags growing hotter and hotter under the dark stifling vaults of a huge warehouse. Heat licked at everything, and the foliage, responding, grew to prodigious sizes. In the depths, in the heat and the moisture, it was never silent. The birds cawed, the small animals and occasional snakes rustled and squealed, and beneath it all was a hush, almost palpable, in which could be heard the rapt absorbed sounds of vegetation growing.