The document discusses the FIREBALL project which aims to create a connected smart cities network in Europe through collaboration between different research communities related to future internet and smart cities. It seeks to identify common assets, create innovation showcases, and develop a roadmap to support future internet-enabled services in smart cities. The network includes cities like Helsinki, Manchester, Amsterdam, and Barcelona that are working to enhance city life through digital technologies and collective intelligence. The project expects to establish a shared vision and sustainable smart cities network through various stakeholder engagements and funding opportunities.