Here lie the ruins of the American avant-garde. Wood salvaged from an installation by Dan Graham, offcuts from a felt piece by Robert Morris, and scraps of flooring from a Dorothea Rockburne display. Mounds of soil recall Robert Smithson’s geological samples and rows of pipe echo Walter de Maria’s Broken Kilometer (1979) of brass rods lined up on the floor. These fragments now sit in darkness, illuminated only by four shaded skylights. They are arranged across the space along with sheets of corrugated metal, parallel stacks of wooden planks, and hundreds of small pieces of Colombian pottery. Everything is dark brown and sitting on a crust of mud which rises up the walls to a high-water mark, I later read, left after the gallery flooded during Hurricane Sandy. Despite their simple forms and materials, the objects become mirage-like in this dimly lit monochrome expanse. Walking down the pier of clean floor that stretches into the room, I try to perceive the scale and texture of the things around me, but they evade my grasp. The light fades and they retreat further. Cielo terrenal [Earthly heaven] (2023), the first of two installations by Colombian artist Delcy Morelos at Dia Chelsea, is …