St Mark's Campanile
... that St Mark's Campanile in Venice was initially built as a watchtower to sight approaching ships, and its spire, once gilded, became a "welcoming star" for navigators?
... that <b id="mwBPw"><a href="./St_Mark's_Campanile" id="mwBP0" rel="mw:WikiLink" title="St Mark's Campanile">St<span id="mwBP4" typeof="mw:Entity"> </span>Mark's Campanile</a></b> <i id="mwBP8">(pictured)</i> in <a href="./Venice" id="mwBQA" rel="mw:WikiLink" title="Venice">Venice</a> was initially built as a watchtower to sight approaching ships, and its spire, once gilded, became a "welcoming star" for navigators?