What is the fine-grained topic of the following text: We are pleased to share that we have reached a long-term resolution that will preserve the Citgo sign and allow for it to remain in place in Kenmore Square for years to come, recognizing the significance that this sign has on our landscape in Boston, while balancing the opportunity for our horizons to continue evolving in future years. Only return the topic.
Preservation of the Citgo sign in Kenmore Square, Boston