blue waters of bay of biscay, covered with light ripples, merge with sky of almost same pale color and gas platform in the middle

bay blue burrowing calm cape cirrus cloud day deep derrick destination distance drilling ecology extraction fuel gas gasoline greenery harbor horizon matxitxako metal mineral ocean offshore oil panoramic petroleum photography platform process production resource rig ripple seabed seascape shelf sky solitude spain summer sun surface tower turquoise vista water well