Check out the video interview where Stig Asmussen, game director of God of War III, talks about the opening scene of the game where Kratos is on the shoulder of Gaya alongside the Titans as they are scaling Mount Olympus to face off with the gods. From the initial concept and the cinematography, through wireframes and final graphics, see how Stig and his team planned and executed the jaw dropping sequence.
Also check out another interview where Stig gives you the lowdown on how he was snapped up by Sony to develop the original God of War, early on in his carrier and his growth with the series.