airport angles architecture background Balearic Islands beams building ceiling elements girders glass iron majorca Mallorca modern palma roof Spain steel strength strong structural structure struts symmetrical symmetry terminal curved England english Great Britain London reflections rivets skyscraper walkietalkie windows above aerial aeroplane airplane arial below cars colors colours conditions construction development factory flight freeway ground hazy height high highways industrial looking down motor cars overpass panoramic properties rails railway lines roads roadways roofs rooves shapes streets suburbs traffic travel trees up above vehicles views