Though it had only been open since early 2008, City Cafe was well on its way to becoming another downtown icon. All that went up in smoke Sunday in a fire that completely destroyed one of the oldest landmarks on the block.Perhaps best known as the site of “the old drug store,” the building on the corner of Spring Street and East Main had been a place to dispense medicine to Warren County residents for some 150 years before it was transformed into City Cafe.Warren County historian James A. Dillon, who has done extensive research, recalled the genesis of the historic building, which dates back to the mid-1800s.“City Drug Store was part of the old city lot No. 28,” Dillon said.