Source: – Indianhistorypics / twitter.
2200 Years Old ( 2nd Century B.C) Sun Dial Adjusted to Latitude of #Indian City of Ujjain Was Found at Ai Khanoum , #Afghanistan .
City of Ai Khanoum Was Founded In 3rd Century B.C During Seleucid Empire pic.twitter.com/KgN4gMZf5x
— indianhistorypics (@IndiaHistorypic) April 29, 2018