Liquid 3

Microalgae System: A transparent tank holds water and microalgae. Air Purification: A pump circulates urban air through the water. The algae perform photosynthesis, consuming \(CO_{2}\) and pollutants while releasing fresh oxygen. Sustainability: Solar panels on top power the internal pumps and lighting. Urban Utility: These units often serve as public benches equipped with LED lights and USB ports for charging devices.