apartments architecture block blue city homes madrid modern skyscraper Spain spanish tower urban white atlantic beacon horizon island islet lighthouse norway ocean red rocks sea warning water coast danger high landmark light safety sky tall ancient historical landscape old refuge Sardinia secure security stone turret watchtower bonfire buring christiansborg Copenhagen crowd Denmark fire flames midsummer Nyberg parliament people witch communication connect direction dish microwave radio relay round scaffold transmit transmitter castle construction hotel hungary Lillafured perspective rock window winter church cityscape copper roof germany hamburg panorama scene skyline St. Katharinen coruna eu flagstone galicia pave pavement paving reflection slab