Reminds me of the story of the Helvetii burning their own villages before they emigrated in what would eventually lead the Gallic Wars. Seems like this might've

Reminds me of the story of the Helvetii burning their own villages before they emigrated in what would eventually lead the Gallic Wars. Seems like this might've been a customary thing when a large group migrated out of an area to keep the group from being tempted to turn back.