Explore Chicago Collections
https://explore.chicagocollections.org/records/?amp=&=&=&=&f2-topics=Natural%20%26%20Built%20Environments%3A%3AParks&browse-names=yes&f1-topics=Events%20%26%20Movements::Celebrations&f3-types=Digital%20Images&f4-topics=Natural%20%26%20Built%20Environments::Parks