'Celestial Gateways': Do Ancient Egypt's Pyramids Actually Line Up With Stars?

Over the past few decades, researchers have increasingly proposed a handful of possible celestial alignments for the pyramids, especially with the Giza pyramid complex, given that ancient builders are believed to have been exceptionally attentive to signs from heaven, which is sure to have had a bearing on the choices they made.
Source: http://sputniknews.com