What do the blue stripes on the Chicago flag symbolize?

The blue stripes on the Chicago flag symbolize the bodies of water in and around the city. Specifically, they represent Lake Michigan and the Chicago River, both of which are significant to the city's geography and history. The design of the flag includes two blue stripes which serve as a visual representation of these waterways, emphasizing Chicago's connection to its surrounding bodies of water. This connection has been vital to the city's development, economy, and identity over the years. The flag was designed to celebrate the important natural resources that have shaped Chicago, making it a central aspect of the city's culture and heritage.