The ground was broken in Auckland this morning on the site of a new tower to be built behind the facades of a century-year-old heritage-listed block. The back and front facades of the historic Macdonald Halligan Motors building remain, with all interiors stripped out after work by a developer to demolish most of that building for a 41-level $250 million apartment/hotel tower. Dean Rzechta, managing director of Melbourne-headquartered 94 Feet, arrived from Australia …