An employee of Calpak company, a Greek company producing and developing solar energy applications, works at the boilers producing line in Korinthos

Reuters
An employee of Calpak company, a Greek company producing and developing solar energy applications, works at the boilers producing line in Korinthos
An employee of Calpak company, a Greek company producing and developing solar energy applications, works at the boilers producing line in Korinthos, about 50 miles west of Athens April 3, 2013. REUTERS/Yorgos Karahalis
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