a boy kneels to examine the dry, cracked surface of geothermal terrain with visible mineral patterns and flow lines. - 岩石圈 個影片檔及 b 捲影像00:27
a boy in a yellow striped shirt walks along a raised pathway beside cracked, mineral-rich geothermal ground. - 岩石圈 個影片檔及 b 捲影像00:14
exploring a stunning glacier landscape during the late afternoon in the mountains with dramatic sky and rugged terrain - 岩石圈 個影片檔及 b 捲影像00:18
a cross-section of the earth shows volcanic activity under the crust. available in hd. - 岩石圈 個影片檔及 b 捲影像00:31
