2.The Lights Of Hessdalen
Since the 1940’s, there is a strange phenomenon being observed in the Hessdalen Valley, Norway. The phenomenon consists of several white or yellow color lights coming from an unknown origin ,floating above ground. Just between the period of 1981 and 1984, the lights were reported to be observed about 20 times in a week. Despite several explanations and hypothesis, no convincing theory has come up till date.