The incorporated cities are Alameda, Albany, Berkeley, Dublin, Emeryville, Fremont, Hayward, Livermore, Newark, Oakland, Piedmont, Pleasanton, San Leandro, and Union City. The unincorporated communities are Ashland, Castro Valley, Cherryland, Fairview, San Lorenzo, and Sunol.
The tiger and dragon beautifully symbolize the yin yang (duality) of the universe. These two symbols of the male and female energies of chi energy have very specific meanings and can be used as feng shui cures as well as works of art.
In the Chinese Yin-Yang model, Yin (the black) contains a seed of Yang (in the form of a white dot). There is Yin, but interestingly, Yin is also Yang because it contains some Yang. The truth is Yin can transform into Yang under certain conditions. It can do this because Yang is present in Yin.