A protester's shoe dangles from the street sign outside the presidential palace, Bellevue Castle, in Berlin, after a rally demanding German President Christian Wulff to resign, January 7, 2012. German President Christian Wulff refused earlier this week to approve publication of a potentially explosive voicemail message he left on the phone of a top newspaper editor, in an escalating scandal that could cost him his job and damage Chancellor Angela Merkel. The official address of Bellevue Castle is Spreeweg 1. REUTERS/Thomas Peter (GERMANY - Tags: POLITICS CIVIL UNREST TPX IMAGES OF THE DAY)