Once upon a midafternoon dreary…

To the superstitiously inclined, this flock of ravens—pictured battling a snowstorm in Finland—is nothing short of a bad omen, while to others it's just a bunch of beaks. Likewise, today is just another flip of the calendar to some, while Friday the 13th consigns others to a day of dread—or at least one of relative inactivity to avoid potential mishaps.
© Frans Lemmens/Alamy