Page:Cliff Castles and Cave Dwellings of Europe.djvu/295

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S. B.-G.

Le Trou Bourou

A cave fortress on the Beune. The hole through which the man is peering was used for defence of the steep ascent to the entrance. Note the arrangement for barring the door.


S. B.-G.

Rock Baptistery of S. Martin, Marmoutier

Excavated and occupied by S. Martin, Bishop of Tours, a.d. 371-396. On the right-hand side is the well, on the left the font for immersion. The niches in the wall are for the holy oils.