This beautiful and incredible mural is located at Hing Hay Park (409 Maynard Ave. S) in the International District of Seattle. It was painted by John Woo in 1977 using acrylic paint on concrete. The painting depicts Asian American struggles with dragon.
Wikipedia has this to say about dragons in Chinese culture:
Chinese dragons traditionally symbolize potent and auspicious powers, particularly control over water, rainfall, hurricane, and floods. The dragon is also a symbol of power, strength, and good luck for people who are worthy of it.