A rare picture of tent village was set up for 2500 years establishment of the Imperial in perspolis, 1971

The 2,500 year celebration of the Persian Empire (Persian: جشن‌های ۲۵۰۰ سالهٔ شاهنشاهی ایران‎) consisted of an elaborate set of festivities that took place on 12–16 October 1971 on the occasion of the 2,500th anniversary of the founding of the Iranian monarchy (Persian Empire) by Cyrus the Great. The intent of the celebration was to demonstrate Iran's long history and to showcase its contemporary advancements under Mohammad Reza Pahlavi, the Shah of Iran.