Soldiers of newly Kosovo Security Force (KSF) stand guard as Nobel Peace Prize laureate and former United Nations envoy for Kosovo Martti Ahtisaari (2nd R) arrives at Pristina’s airport joined by EU special representative in Kosovo Peter Feith (R), Kosovo, 15 June 2009. Martti Ahtisaari is visiting Kosovo to participate in celebrations of the first anniversary of the constitution. Kosovo unilaterally declared independence from Serbia in February 2008 and adopted a constitution in June. EPA/VALDRIN XHEMAJ