Belgium General says incredible wave of triangular UFOs is a mystery

In this video, retired Belgian Air Force General Wilfried De Brouwer discusses a wave of triangular UFOs he investigated in 1989 and 1990.

He was in charge of the Belgian Air Force's official investigation.

They never came to a definite conclusion as to where the mysterious triangles came from.

De Brouwer also discusses the controversial photograph that was allegedly taken in Petit-Rechain.