Use "menhir|menhirs" in a sentence

1. The second version says that the Grès Saint-Méen was a kind of menhir upside down that had traces of acorn cups on the top.

2. The Celts were the first historically identifiable inhabitants of Brittany, but they probably intermingled with the earlier peoples who built the great stone monuments, the menhirs and dolmens, that still stand