A visitor walks at the archaeological site of the Temple of Olympian Zeus as the Acropolis Hill is seen in the background in Athens, Greece June 7, 2015. European Commission President Jean-Claude Juncker accused Greek Prime Minister Alexis Tsipras on Sunday of distorting proposals by international creditors for a cash-for-reform deal to save Athens from default and urged him to put forward alternative proposals swiftly to allow negotiations this week. REUTERS/Alkis Konstantinidis