On July 3, 2015 at 20:38, four strange spheres photographed by John P. among the clouds at dusk, over the sea area of Loutraki. As you will see quite clearly in the picture below, it is very likely that the spheres are metal, according to the manner reflecting the sun on them. (http://ufotruth-gr.blogspot.gr/2015/07/2015.html)