Russian Prime Minister Vladimir Putin takes part in a wreath laying ceremony at the memorial to Polish prisoners of war killed by Soviet dictator Josef Stalin's secret police in 1940, in Katyn near Smolensk, some 360 kms (224 miles) southwest of Moscow, Wednesday, April 7, 2010. Russian Prime Minister Vladimir Putin hosted his Polish counterpart Donald Tusk in Katyn, the site of Stalin-era massacres of Polish troops during World War II. Putin's attendance at the Russian memorial ceremony for 22,000 Polish prisoners of war killed by Soviet dictator Josef Stalin's secret police in 1940 is an unprecedented gesture of good will and reconciliation. (AP Photo/RIA-Novosti, ALexei Nikolsky, Pool)
