https://youtu.be/3ykkyTgLocA A geologist describes the types of lava flows found on Hawaii, including pahoehoe and aa, shows what happens when wood is introduced into pahoehoe lava, and shows why lava... continue reading

posted by Aard Vark (oritteropo) 7 years 2 months 3 weeks ago • 841 views • 8:41

Ancient Hun archery rapid fire technique demonstrated by Lajos Kassai

posted by newtboy 1 decade 1 month 2 weeks ago • 160 views • 4:04