There’s a wide gap between luxury office properties, often called class A or trophy, and aging and less-opulent buildings called class B.

Glide over the bustling city center, where iconic skyscrapers like Bank of America Plaza and 101 Marietta Street define the skyline and freeways stream into downtown, weaving through the urban core.

Tom Cousins, the influential Atlanta real estate developer and philanthropist, died Tuesday at age 93 while hospitalized in Florida.