The special event “Let the sunshine in” was successfully organized by SunTechnics, subsidiary of GDL Green Energy Group. The event which was addressed primarily to architects and civil engineers, presented the photovoltaic panels Glass-Glass SOLARWATT, one of the largest industries in Europe and among the most technologically advanced worldwide. Mr. Panos Blatsios, Head of Energy Solarwatt of Tesco Engineering in Greece, presented the products, its characteristics and their applications in architectural projects. A short welcome speech was made by Mr. George Georgiou, Chief Executive Office of GDL Green Energy Group. Mr. Georgiou emphasized the importance of energy saving and its multiple benefits and as he characteristically said “it is time to make the sun our true ally”.