The coffin with remains of Polish President Lech Kaczynski is carried in to the Presidential Palace by Polish Army officers in Warsaw on April 11, 2010, the day after a plane carrying Kaczynski and many of the country's military and state elite crashed in thick fog in Russia killing all 96 people on board in a blazing inferno. Poland faces a period of national trauma after the shock deaths of its president and many top officials, but the NATO and EU member's long-term stability is not at risk, analysts say.The nation was left reeling after a plane crash in Russia on Saturday killed President Lech Kaczynski, lawmakers, the military top brass and the central bank governor as they headed to a memorial for Poles killed in a World War II massacre. AFP PHOTO /JOE KLAMARAFP PHOTO /WOJTEK RADWANSKI