It was densely wooded, with fir trees twenty to thirty meters tall.They blocked the sun, so the forest floor was dark, damp, devoid of underbrush.

• 树木茂密，全是高达20-30米枞树，这种冷杉属乔木遮天蔽日，森林地表昏暗、潮湿，草本植物和灌木类树种无法生存。