The subterranean bamboo forest was enormous, but it had no stone pillar or significant stalagmites to support it. Supporting this humongous cavern was the bamboo itself, as the countless bamboo shoots rose from the ground and supported the ceiling.
Han Sen had traveled thirty miles through this subterranean kingdom, but he had yet to see an end. It looked mostly the same, as well; the only difference he noticeed was in the temperature. The deeper he went, the lower the temperature seemed to tick.
The thickets of black bamboo all around him grew denser, and after another fifty miles, the bamboo stalks were as thick as the trunks of trees.