sentences:  MacNamara himself faced challenges near the end of his long life when the City of Toronto approved a proposal by Canadian Tire in 2003 to construct 18- and 25-storey condominium towers on the western side of the ravine.As the condominium buildings threatened to destroy the quality of light that artist tenants had enjoyed for nine decades, MacNamara appealed the approval to the Ontario Municipal Board.MacNamara eventually withdrew his appeals, and the condominium approvals came into full force and effect.