FIG.5 Bet Giyorgis church, Lalibela, Ethiopia Courtesy: © Armin Hamm

FIG.5 Bet Giyorgis church, Lalibela, Ethiopia Courtesy: © Armin Hamm

FIG.5 Bet Giyorgis church, Lalibela, Ethiopia Courtesy: © Armin Hamm

03 Mar 2020