Lothal (લોથલ) : Ancient port city 4500 years back
  Photo album link for Lothal        Lothal is  one of the most fascinating  remains  of  an  ancient  port city from the  Indus civilization  (  3300–1300 BCE; mature period 2600–1900 BCE) .  The place    was discovered   in 1958  Dr. Rao from the  archaeological  society of India.  Lothal is    the  exhibit- A   of the  existence of    life  and advanced  civilization thriving  in Gujarat  in prehistoric or geologic times  ..  The place is only 80 KM form  Ahmadabad. Lothal is one   the oldest man-made structure and city  on the planet.  Per   Wikipedia's list of the oldest  man-made  structures ,  only two structures pre-dates that.  (The wiki list of the oldest man-made structures is not updated with the   new archaeological find in the Orkney Islands off the northern tip of Scotland ...