フィラデルフィアでは2個見つけた＞＜
Maja - Association for Public Art
https://www.associationforpublicart.org/artwork/maja/

Stunning New Installation in Philly by Artist Miguel Antonio Horn – Streets Dept
https://streetsdept.com/2021/08/30/stunning-new-installation-in-philly-by-artist-miguel-antonio-horn/