Rock solid evidence: Angola geology reveals prehistoric split between South America and Africa
"It's quite another thing to be able to take a school field trip out to the rock formations, or outcrops, and say this is ...
BBC5 个月
Utah's famous 'Double Arch' rock collapses
Park rangers say no one was injured when the rock formation collapsed A famous 190-million-year-old rock formation in southern Utah known as the "Double Arch" has collapsed, according to national ...