With genuine volcanic sand from the sulphur island, the Praesidus Iwo Jima 80th Commemoration A-11 watches offer a rare ...

After the water has propagated through the filter material, it is usually collected in a perforated PVC pipe underdrain, and then transported to the storm sewer system. One of the issues with a sand ...

Onishi Kazunari, associate professor at St. Luke's International University, says comparing yellow sand collected in China with that coming to Japan, the color is different, and it's slightly ...