fire escapes
... that in the 1950s and 1960s, some residents of mid-rise apartment buildings would sleep outside on their fire escapes during hot summers?
... that in the <a href="./1950s" id="mwAUY" rel="mw:WikiLink" title="1950s">1950s</a> and <a href="./1960s" id="mwAUc" rel="mw:WikiLink" title="1960s">1960s</a>, some residents of mid-rise <a class="mw-redirect" href="./Apartment_building" id="mwAUg" rel="mw:WikiLink" title="Apartment building">apartment buildings</a> would sleep outside on their <b id="mwAUk"><a href="./Fire_escape" id="mwAUo" rel="mw:WikiLink" title="Fire escape">fire escapes</a></b> during hot <a href="./Summer" id="mwAUs" rel="mw:WikiLink" title="Summer">summers</a>?