Axios Delta National Park, Greece

coastal alluvia creation delta thessaloniki city greece greek national park axios delta axios thermaic thermaikos gulf birds sea water landscape cityscape bird kalochori lagoon kalohori salonica nicolas economou gallikos river echedoros loudias aliakmonas aliakmon junction gate wetland special urban flamingo flamingos shallow waters cranes crane region covered marhes soil basin village coastal embankment biodiversity sunset evening dusk flora fauna eco ecosystem natura species center visit visitor travel holidays holiday pelicans pelican Pelecanidae water birds genus pelecanus beak white Black-winged stilt black winged stilt himantopus ling-legged wader foot flamingoes wading phoenicopteridae europe duck mallard surface shelter mussles art artistic nature environment protect protected nest nesting habit inhabitants 2018 sea water sky shore water bird ocean horizon wave flamingo coastal and oceanic landforms