 The church is designed in late Byzantine cross @-@ in @-@ square style . It was constructed from stones and brickwork , a construction technique known as opus mixtum , and measures 16 by 6 @.@ 90 metres ( 52 @.@ 5 ft × 22 @.@ 6 ft ) , 16 by 6 @.@ 70 metres ( 52 @.@ 5 ft × 22 @.@ 0 ft ) , or 14 @.@ 20 by 4 @.@ 80 metres ( 46 @.@ 6 ft × 15 @.@ 7 ft ) , depending on the source . The walls of the church are 0 @.@ 80 metres ( 2 @.@ 6 ft ) thick . The colour of the bricks gives the church a ruddy appearance . 
 The church is designed in late Byzantine cross @-@ in @-@ square style . It was constructed from stones and brickwork , a construction technique known as opus mixtum , and <a href='uninflect' title='1'><mark>measures</mark></a> 16 by 6 @.@ 90 metres ( 52 @.@ 5 ft × 22 @.@ 6 ft ) , 16 by 6 @.@ 70 metres ( 52 @.@ 5 ft × 22 @.@ 0 ft ) , or 14 @.@ 20 by 4 @.@ 80 metres ( 46 @.@ 6 ft × 15 @.@ 7 ft ) , depending on the source . The walls of the church <a href='drop_aux' title='2'><mark>are</mark></a>0 @.@ 80 metres ( 2 @.@ 6 ft ) thick . The colour of the bricks <a href='uninflect' title='3'><mark>gives</mark></a> the church a ruddy appearance . 
The church is designed in late Byzantine cross @-@ in @-@ square style . It was constructed from stones and brickwork , a construction technique known as opus mixtum , and measure 16 by 6 @.@ 90 metres ( 52 @.@ 5 ft × 22 @.@ 6 ft ) , 16 by 6 @.@ 70 metres ( 52 @.@ 5 ft × 22 @.@ 0 ft ) , or 14 @.@ 20 by 4 @.@ 80 metres ( 46 @.@ 6 ft × 15 @.@ 7 ft ) , depending on da source . The walls of the church 0 @.@ 80 metres ( 2 @.@ 6 ft ) thick . Tdacolour of thdaricks give thedaurch a ruddy appearance .