The rare sight of a green ray was captured during sunset in northern Spain.<br /><br />The footage, captured on June 14, shows the moment a green flash appears in the horizon as the sun sets in Donostia.<br /><br />'Green ray' or 'Green flash' is an atmospheric phenomenon that occurs shortly after sunset or before sunrise, in which a green line is visible on the horizon.<br /><br />The phenomenon is visible any time the sun rises or sets on a clear, unobstructed and low horizon. <br /><br />The filmer writes: ''Throughout my long life, I have only been able to contemplate this phenomenon twice.<br /><br />''If you are lucky enough to share that unique moment with another person, both of you will inevitably fall in love forever. At least that's what the legend says.''
