sean jefferson , 45 , and elizabeth jowitt , 37 , covered their home in york with wreaths , lanterns , memorial slates and homemade toys , all of which were once placed on gravestones by grieving family members .
some of the touching items were from the gravestone of a grandmother who fought a courageous battle against cancer .
the couple 's actions were eventually discovered when a relative of one of the victims noticed a heart-shaped wreath which was meant for her mother hanging in their home .