The ruins of a three-aisled early Byzantine basilica  of Ag. Isidoros near Rachi, in the valley of a piece of the path from Halki (Chalki) to Moni. Naxos. Probably 6th-7th century.
<a href="//commons.wikimedia.org/wiki/User:Zde" title="User:Zde">Zde</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>