According to http://nj.com It will be a sea of lights at Liberty State Park when the annual Water Lantern Festival returns on Friday and Saturday, July 19 and 20, at 5:30 p.m. The annual festival takes place across the nation and is presented by One World Lantern Festival LLC.

Also known as light festivals, floating lanterns, water fest, and Chinese lanterns, the event allows thousands of visitors to light lanterns that reflect on the water. The eco-friendly lanterns are made from rice paper while LED candles are reused and recycled.

https://www.nj.com/hudson/2024/07/lantern-festival-will-light-up-the-water-at-liberty-state-park.html: Lantern Festival will light up the water at Liberty State Park