hermitage on island gaztelugatxe connected to emerald mainland cape cabo matxitxako by man-made bridge. bay of biscay

atlantic basque bay biscay blue bluff bridge cabo calm cape cave cirrus cliff coast coastline connected country dreary emerald gaztelugatxe geology greenery harbor hermitage horizon horizontal island karst limestone mainland manmade matxitxako mountain nature ocean overcast peninsula photography ridge ripple rock sea seascape shore silence sky spain sparse stone summer surface turquoise viewpoint water