They've asked to have some beer as well. And they are getting letters:

"Can you imagine? After 30 years of marriage we will start sending each other love letters again," said Lilianett Ramírez, whose 63-year-old husband, Mario Gómez, is among those trapped. She was first to send a letter down to her husband yesterday. "I told him to be very patient, that we're all camped out here, following his every heartbeat. That he shouldn't become desperate, and that he try to be extremely tranquil," she said. (From here) Mario Gomez is number ten in that link I gave to the faces and names.