Today is Ash Wednesday, the beginning of Lent, 40 days (not counting Sundays) until Easter. So don't be alarmed if you see colleagues or neighbors with ashen crosses on their foreheads. Take a look at how Catholics around the world celebrated Ash Wednesday.
US Vice President Joe Biden attended the announcement of Gary Locke as the nominee for Secretary of Commerce with ashes on his forehead.
(Getty Images/Win McNamee)