A reminder to members of City Daily Photo: the theme day for April is School. And to the anonymous spammer infesting numerous blogs with the same hate rant as of late- first, I'm not a boomer. Second, you're a gutless coward. I cheerfully suggest that you drop dead.
The destructive power of earthquakes comes clearly across with vivid pictures of the aftermath of these movements of the earth.
Mineral development is also examined, with a wealth of varieties.