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.
The right flank's 15th-century spires and towers are still visible; the Romanesque bell tower houses a concert of seven bells, with six large ones tuned to the B♭2 major scale and one small one an octave above the big bell.