Rocks in the sky
No, not the usual meteorites or asteroids. Not even raining diamonds. The Guardian posted it and I had to follow it to the original photo gallery. Enjoy as I did.
The Guardian link here: http://www.theguardian.com/artanddesign/gallery/2015/jun/03/rocks-in-the-sky-a-geological-mystery-in-pictures
The original David Quentin gallery in Five Dials here: http://fivedials.com/portfolio/rocks-in-the-sky/
The Five Dials no. 36 in which the photos were published from here: fivedials_no36