article_snippet: According to Scheinfeld, the Borscht Belt started losing popularity due to multiple things, including the boom of the airline industry in the 1970s .
article_snippet: According to Scheinfeld, the Borscht Belt started losing popularity due to multiple factors - including the boom of the airline industry in the 1970s.
highlights_snippet: But the airline industry boom in the 1970s hurt the region, which has now turned into a site of desolation .
  