New York Times: “The pool had been drained, resealed and then refilled by June 5. Four days later, Park Service workers discovered holes, cracks and peeling caulking in parts of the pool, along with cuts in sections of the foam, according to the documents…”“By June 16, workers had noticed that chunks of blue sealant that covered the pool’s bottom were peeling and floating to the surface, the documents show…”“The workers had also discovered that some devices installed to kill algae were not working as intended, according to the documents. And enormous algae blooms had turned portions of the pool bright green instead of dark blue.”