cannot find anything at the coordinates (20|37|42|N|70|52|15|W|, off the Mouchoir Bank ), but then Tintin theorises that Sir Francis used the Paris Meridian instead of Greenwich Meridian (which would yield 20|37|42|N|68|32|1|W|, off the Navidad Bank ). Upon reaching the latter location, the ship comes across an unknown and uninhabited island. As they