Church of the Holy Apostles (Thessaloniki) - Credit: Wikimedia Commons
The Church of the Holy Apostles () is a 14th-century Byzantine church in the northern Greek city of Thessaloniki. Because of its outstanding Byzantine mosaics and architecture, and its testimony to the importance of Thessaloniki in early and medieval Christianity, the church is inscribed on the UNESCO World Heritage List along with other Paleochristian and Byzantine monuments of Thessaloniki. Read more on Wikipedia
Source: en.wikipedia.org