In this Tuesday, May 26, 2020 file photo, Afghan Taliban prisoners freed from Bagram prison walk in Kabul, Afghanistan. TAfghanistan has been at war for more than 40 years, first against the invading Soviet army that killed more than 1 million people, then feuding mujahedin groups in a bitter civil war followed by the repressive Taliban rule and finally the latest war that began after the 2001 U.S.-led coalition invasion that toppled the Taliban government. (AP Photo/ Rahmat Gul, File)