The document describes the proposed city of Bubblika, which aims to be environmentally friendly and powered by renewable energy sources like tidal power. Some key features mentioned include nano composite walls for green buildings, renewable energy systems, fast sky bridges for public transport, solar bicycle stations, submarine disaster shelters equipped with supplies, rescue robots, an underwater museum, a hotel built across water and land, advanced water and waste management, and high-tech security systems like facial recognition. The goal is for Bubblika to be a city of hope powered by clean and renewable resources.