What is the symbol on the Patriots field?

What is the symbol on the Patriots field?
"There are also 2 images on the sidelines at the 50-yard line, which complement the center field image of the Patriot. Those side-line images are a post-modern combination of a bridge and a lighthouse, symbols that combined create the official symbol of Gillette Stadium and its tribute to the area's colonial heritage."

Reference:
What is the image painted on the field of Gillette Stadium? - Quora
Nov 19, 2016

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