https://old.mascontext.com/observations/the-great-lakes-architectural-expedition/ 2021-01-06T19:20:40+00:00 monthly 0.6 https://old.mascontext.com/observations/contributions-of-the-basque-exile-to-mexican-architecture/ 2020-09-28T14:46:01+00:00 monthly 0.6 https://old.mascontext.com/observations/concentrico-2020/ 2020-09-21T18:24:17+00:00 monthly 0.6