View of the Tower of London, UNESCO World Heritage Site, and River Thames at dusk, London, England, United Kingdom, Europe

photography horizontal color image travel destinations outdoors sunset dusk no people london capital cities england uk river thames river water flowing water travel tower of london international landmark famous place history city urban scene castle fortress built structure architecture light illuminated tree nature clear sky trees travel destination tourist destination tourist destinations sundown evening twilight rivers outdoor outside nobody no one no person fort forts fortresses past historic archaeological archaeology ruin ruins old ruin old ruins cities urban castles fortified fortification historical building exterior building exteriors architectural exterior architectural exteriors architectural building buildings