[ad_1] <br><img src="https://cdn.cnn.com/cnnnext/dam/assets/200526232210-01-haeju-satellite-imagery-hp-video.jpg" /><br>North Korea might be making millions -- and breaking sanctions -- selling sand. Yes, sand. <br>[ad_2] <br><a href="https://www.cnn.com/collections/intl-north-korea-0610/">CNN </a>