The Trip from Roads & Kingdoms and host Nathan Thornburgh is back, with a tight new format, plus lots of distilled alcohol and Soviet helicopters in Georgia's Caucasus Mountains.The Light of the Caucasus: Photographs by Yuri KozyrevGeorgia: Q&A with Photographer Natela GrigalashviliAbkhazia: Paradise Lost Learn more about your ad choices. Visit podcastchoices.com/adchoices