Aerial view of European buildings in Karakoy, Istanbul Turkey on a sunny summer day as boats cross the Bosphorus River

summer golden hour sunset bosphorus bosphorus river river blue boats hill karakoy istanbul istanbul turkey sunny aerial drone buildings europe european buildings old soviet cloudy hazy turkey residential apartments skyline cityscape european dense people neighborhood rooftops city skyline city turkish tourism travel vacation summer time touristic densely populated homes roads streets taksim tourists yellow taxis traffic cars