Lviv is one of Ukraine 's main tourist destinations .
LVIV , UKRAINE - MAY 7 : Unidentified people dressed as Ukrainian Cossacks pass across square Rynok during festival in Lviv , Ukraine on May 7 , 2016 .
Lviv is one of Ukraine 's main tourist destinations .
LVIV , UKRAINE - MAY 7 : Unidentified people dressed as Ukrainian Cossacks pass across square Rynok during festival in Lviv , Ukraine on May 7 , 2016 .