APOD 4.3

This photo was taken on the April 4 total lunar eclipse above the San Francisco's golden gate bridge. This is the third lunar eclipse in the tetrad the final eclipse of this tetrad will be on September 28 2015. A tetrad is four consecutive lunar eclipses that occur within six months of each other. This is a unique picture because it symbolizes mankind's progress and accomplishments while still showing the beauty and mysteriousness of nature.