I was in my room at computer reading mails, for a pure case i looked out of the window and saw these strange spheres floating in the sky...At first sight i was thinking they were birds, but soon i discovered that the shapes was too circular for to be birds.The objects moving from west to est just over my head with an angle of 70��� north. They went into a cloud and disappeared.Because was not possible to see the end of the cloud from my window, i was run to a balcony for to film the coming out, but them are not comes out...as disappeared in the cloud.I took some photos after few seconds as proof of what i'm sayng.Two minute later two planes passed in the sky from north to south and another one from south to north. This latest one disappeared in the cloud and never come out as well.I was wait about 10 minutes but everything in the sky is finished.No particular sounds, wind or birds in the sky.I send you also the photo of the plane disappeared and a photo taken few minutes after the orbs are disappeared behind the cloud.