If this works.....

      ....it will be a miracle.I can't get any photos to download, so I am having a go at finding a video, direct from my camera, not from the mangled mess that is now my photograph collection.....

This looks as though it could take a long while...

Done it...blimey wonders never cease....this is the boat we were on last week-all 3500 'ish of us.  As you can see it was enormous all 14 floors of her and there was always some quiet little nook or cranny I could find when I was sick of all those people.