🐢Tortoise-shaped gravestones unearthed in a Scottish churchyard date back to the Dark Ages.
🧩The purpose and significance of the gravestones remain unknown.
✨The gravestones are unique and have no parallel in Scotland.
📜The gravestones pose a challenge to archaeologists to uncover their history and meaning.
🔍Time Team, an archaeology television program, aims to solve the mystery behind the gravestones.