2024-08-06
2 小时 0 分钟Vernonia lettermannii and other cool plants of Western Arkansas Novaculite, Ouachita Mountain Orogeny, Chert Glades of Western Missouri, the most obnoxious cicada species in the world, Detroit Rustic, Pittsburgh Museums, Shared Mountain Ranges of Appalachia and Morocco from the times of Pangaea, Northern Pennsylvania Glaciation, and more.