There’s been a lot of talk in Rochester lately about vacancy – vacant houses, vacant buildings, vacant spaces that were once thriving. An upcoming symposium will offer ideas on how to fill those spaces – and not just with the first person or company to make an offer. What cities do with vacant spaces will be critical to their next generation. The city of Rochester has at least one example of a thriving neighborhood, anchored by the Strong National Museum of Play. So how can more spaces follow? We explore it with our guests: