Seattle turns orange in support of Obliteride

_{The top of Two Union Square, one of Seattle's tallest skyscrapers, turns orange after sunset on April 1, 2014. Several of the city's prominent landmarks are being lit with orange lights this week in celebration and support of Fred Hutchinson Cancer Research Center's Obliteride. The multiday bicycle ride is used to raise awareness and money for the fight against cancer. This year's Obliteride happens Aug 8 - 10, and they are signing up riders now.  (Robert Hood / Fred Hutch)}

_{The Seattle Great Wheel at Pier 57 on Elliott Bay is lit up orange on April 1. The giant Ferris wheel is 175 feet high, and it became the tallest Ferris wheel on the west coast when it opened in June 2012. The wheel has 42 enclosed gondolas. Passengers enjoy at 12-minute ride that extends 40 feet out over the bay. (Lisi Wolf Photography)}

_{The top of one of the Westin Hotel towers glows with orange lights just after sunset on Tuesday night. (Robert Hood / Fred Hutch)}

_{The arches at the Pacific Science Center glow with orange light on April 1, 2014. (Ant May)}

_{The Pacific Science Center arches, located near the Space Needle in Seattle, Wash., take on an orange glow just after sunset on April 1, 2014. A construction crane is also seen on the left. Many of the cranes in Seattle will also be lit up later this week in support of Fred Hutchinson Cancer Research Center's Obliteride bicycle ride. (Robert Hood / Fred Hutch)}