DC neighborhood reference photo, not a Perennial project. Mount Pleasant Historic District by AgnosticPreachersKid. https://commons.wikimedia.org/wiki/File:Mount_Pleasant_Historic_District.jpg CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0/ Resized and converted to WebP; responsive CSS crops. This photograph remains under CC BY-SA 3.0. Original educational SVG illustrations: Perennial design study, not installation drawings.