Yeraltı Camii/Kurşunlu Mahzen

Yeraltı Camii/Kurşunlu Mahzen - Credit: Wikimedia Commons

The Yeraltı Camii () is a mosque located in the Karaköy part of the Beyoğlu district in Istanbul, Turkey. The mosque's name is derived from the fact that its prayer hall and main features of it are all underground. Read more on Wikipedia

type: religious building
date from: 1756

Source: en.wikipedia.org