top down view of stones and a central market depicting which shows a generic greenwich meridian marker, looking like a smiley fac

top view stones central market depicting shows generic greenwich meridian marker looking like smiley face next single bench fac bench cambridgeshire compass compass isolated rose countryside degrees east east west equator field gmt grass green mean time meridian observatory hemisphere landscape latitude latitude longitude longitude lines line mark marker meridians nature north outdoor park park prime royal royal observatory greenwich scenery seat south stones travel view woodlands woods zero zero degrees