Men carry a fake cow while riding an escalator during preparations for the Green Week international food, agriculture and horticulture fair in Berlin, Germany.
A man performs with a dragon at an anti-government protest stage near the blocked Silom financial district intersection in downtown Bangkok, Thailand.
Opposition deputies throw buckwheat at newly elected deputy Viktor Pylypyshyn (R) as he takes the oath in Ukrainian Parliament in Kyiv. In Ukraine, buckwheat is a symbol of bribing voters.
Air Force One, with President Barack Obama aboard, disappears in thick fog over Andrews Air Force Base, Maryland, as it takes off for a trip to Raleigh, North Carolina.