Greek Finance Minister Yanis Varoufakis arrives at the European Commission headquarters ahead of a meeting with European Commissioner for Economic and Financial Affairs Pierre Moscovici in Brussels May 5, 2015. Greece stepped up diplomacy with euro zone partners on Tuesday to try to avert a potentially catastrophic funding crunch this month, when it must make a big debt repayment to the IMF as cash reserves dry up. REUTERS/Yves Herman TPX IMAGES OF THE DAY