Along the right flank, the 15th-century crowning spires and spires can still be seen; the Romanesque bell tower houses a concert of seven bells, of which the 6 big ones are tuned according to the scale of B♭2 major and the small one is an octave above the big bell.
On the right side, remnants of 15th-century spires and towers remain; the Romanesque bell tower contains seven bells, with six larger ones tuned in the B♭2 major scale and a smaller one an octave higher than the largest.