Terezin Czechia Aerial v6 low drone flyover walled Garrison town across Ohre river towards preserved town center, birds eye view capturing Namesti CSA square -- Available in HD and 4k -- 4096 x 2160 - 633.5 MB - QuickTime Movie - Lavc59.18.100 libx264 - 12.5 MB/sec - 29.98fps --