More than 1,000 bronze dwarves reside in doorways, atop bridges, and on street corners in Wroclaw, a vibrant city in southwestern Poland. Some made me laugh like the dwarf riding a Vespa. Others encouraged reflection, such as the dwarf with a big heart helping children in neighboring Ukraine. Most, well, just made me smile.   Some destinations capture your imagination with towering skyscrapers, prestigious art museums, or Michelin-starred restaurants. In Wroclaw, what drew my attention were the statuettes shaped like dwarves or krasnale in Polish.  ...