 Complete the following phrase:  Bodorna lies on the right bank of the small river Dushetis-Khevi, a right tributary to the Aragvi River, at an elevation of 880 m. above sea level. The village was fortified in the Middle Ages in a way to accommodate the fugitives from nearby locales during foreign incursions. Thus, the man-hewn caves at Bodorna are known to have served as a shelter for the populace of the Aragvi valley when the Turco-Mongol army of Timur 