 The decoration of the elongated north and south walls includes brick blind arches in the bottom part and a large arch for each wall adjacent to the dome with a columned window in the middle . There are windows above the lower arches of the north and south facade . The dome , which also exhibits a large number of ornamental details and ceramics , features eight windows , one for each of its sides . The medieval frescoes which were painted on the interior walls of the church have been only fragmentarily preserved . 
 The decoration of the elongated north and south walls <a href='uninflect' title='1'><mark>includes</mark></a> brick blind arches in the bottom part and a large arch for each wall adjacent to the dome with a columned window in the middle . <a href='dey_it' title='2'><mark>There</mark></a> are windows above the lower arches of the north and south facade . The dome , which also <a href='uninflect' title='3'><mark>exhibits</mark></a> a large number of ornamental details and ceramics , <a href='uninflect' title='4'><mark>features</mark></a> eight windows , one for each of its sides . The medieval frescoes which <a href='uninflect' title='5'><mark>were</mark></a> painted on the interior walls of the church <a href='been_done' title='6'><mark>have</mark></a> been only fragmentarily preserved . 
Da decoration of tdaelongated north and south walls include brick blind arches in the bottom part and a large arch for each wall adjacent to the dome with a columned window in thdaiddle . It is windows above the lower arches of thedarth and south facade . The dome , which also exhibit a large number of ornamental details and ceramics , feature eight windows , one for each of its sides . The medieval frescoes which was painted on the interior walls of the darch done been only fragmentarily preserved .