{"footnote":"  \u003Cp class=\u0022leftranged halfline\u0022\u003E    In 1950, before the introduction of shredders, fragments of secret waste that had been placed in a malfunctioning incinerator floated up the chimney and out into the streets of Mayfair.  \u003C\/p\u003E\n","audio":[],"video":[]}