The Menil Collection’s octagonal landmark, which houses 14 of Mark Rothko’s black paintings, was closed in early 2019 for work that included reinforcing the walls, installing a digital lighting system and replacing the skylight to protect the canvases from sun exposure. The Chapel’s reopening, originally planned for June, has been postponed to September because of the COVID epidemic; there will be a “soft opening” in July. – Archinect