<prompt> Translate the following text to EnglishKwa kweli, kanisa hilo haliko kwenye sehemu ya juu ya kisiwa hicho, bali liko kwenye sehemu ya chini iliyofanyizwa na sehemu tatu za chini ya ardhi, na nguzo kubwa za Crypte des Grossiers ndizo zinazofanya kazi hiyo.  <response>: The choir and chancel do not stand on the islands granite core but on a platform formed by three crypts, with the massive columns of the Crypte des Groseiliers doing most of the work. 