bridge bridges building buildings city cityscape conurbation crane cranes horizon London river roof roofs skyline thames tower urban autumn England english footpath Great Britain lake leisure path pleasure Regent's Park relax sit stroll tree water attraction big wheel black and white capital circle circular construction eye pod pods tourism travel visitor arch architecture bollards commute flag flagpole historical old road stone street walk christian church green plane religion religious trees window fire great height high landmark memorial monument tall tourist attraction blue busy lane pavement sidewalk traffic transport bird cock landmarks Nelson's column pillar plinth Rooster sculpture statue tourist attractions trafalgar Square balcony office symmetry windows workplace bank boat center from the sky panorama shore sky yards Gherkin offices sky-scrapers