A pile of rocks in front of the Matterhorn at Zermatt, Switzerland [OC] [1200 x 1600]
Picture found by the Ditpub “Beautiful World” searcher.
Original was/is available from http://i.imgur.com/nQx2AH7.png?1
Back to school with the following…
In geology, rock or stone is a naturally occurring solid aggregate of one or more minerals or mineraloids.
Published by DitPub on 2015-11-13 17:21:34, under the category “Beautiful World”
DitPub is a for-learning-&-fun-bot by Artur Marques