Kurt Arrigo is Malta’s most eminent and one of the world’s finest marine photographers. His illustrious and diverse career has seen him capture dramatic action at elite international sporting events.
Crocoite is a mineral consisting of lead chromate, and crystallizing in the monoclinic crystal system. It is identical in composition with the artificial product chrome yellow used as a paint pigment.
Ukrainian Air Force officers attend a graduation ceremony at the National University of Defence of Ukraine in Kiev, April 24, 2015. (Photo by Gleb Garanich/Reuters)