DUBROVNIK’S MASONRY, SHATTERED BY MORTAR SHELLS DURING THE NINETIES, IS MOSTLY REBUILT AND ITS DEFENSIVE WALLS STAND STRONG AGAINST THE TEST OF TIME… AND THE PATTER OF TOURISTS’ FEET. Perched high enough on Dubrovnik’s medieval walls, and at just the right angle, the roofs of the tightly packed town houses below overlapped to form a …