The Guardian has an article ostensibly about Jerusalem, but which seems to have been the result of a tour with archaeologist Gabriel Barkay. This is one of those articles that reminds you not to believe everything that you read. Among the errors in the first two paragraphs, Barkay worked in Silwan (not the City of David) in 1968-1970 (not in the 1970s) conducting a survey (not an excavation).
The author writes, “In the 1970s, he led a group of school children on a tour of first Temple tombs above the Valley of Hinnom….” The year was 1979 and he was conducting an archaeological excavation, not leading a tour. Some school children did join the excavation as volunteers, but I can hardly imagine Barkay leading some tour when “one of the pupils started hammering at a stone slab which suddenly gave way” – yikes! Not exactly how one should do archaeology, but, of course, it didn’t happen that way at all. Instead of this sloppy journalism, I recommend an article on Barkay that was published last year in Haaretz starting here and continuing here.