003SunrisePeak

As the sun came up, the light changed quickly. Due to the height of the mountains behind me (east), the sun was already well above the theoretical horizontal horizon (that without mountains) so the color of the first light to hit the mountains in front of me was yellowish rather than the reddish or even purplish hues seen in some places. That reddish color is due to the scattering of light as it passes through the atmosphere.