Chora Mosque sits in Edirnekapı, and its interior is sheathed almost entirely in gold-ground mosaic, the most complete surviving cycle of the late Byzantine world. Two narrow entrance halls carry the childhood of Christ and the life of the Virgin, scene by scene, small figures moving through blue hills and tilted buildings. A side burial chapel is painted from floor to vault. From outside it gives away nothing: a squat brick building with low domes, patched and rebuilt over centuries.
Inside, the ceilings still shimmer as you move under them. The funerary chapel ends in the Anastasis, with the broken gates of hell scattered under Christ's feet. Metochites himself kneels above a doorway, offering a model of his church, a vast striped hat on his head. The Ottomans turned the building into a mosque and plastered the images over; uncovered again as a museum, it holds prayers once more today. Reaching it takes a deliberate trip out from the old centre, so most people pair it with Tekfur Sarayı, the Byzantine palace shell a few streets away.