What is the fine-grained topic of the following text: The northern section of Gantry Plaza State Park was home to a Pepsi bottling plant that closed in 1999, and the sign has lived on since as an iconic part of the Queens waterfront—having been lowered from its original location to its final, prominent position in the park in 2009. Only return the topic.
The iconic Pepsi sign at Gantry Plaza State Park.