The UO’s EMU amphitheater will once again serve as the launching point for the 37th annual Take Back the Night protest march, an annual international event that draws attention to the realities of sexual violence.The rally begins at 6 p.m. Thursday, April 30, and marchers will leave the amphitheater at 7 p.m. They will then march to downtown Eugene, gathering at the Atrium Building at the corner of 10th Avenue and Olive Street for a speak-out featuring survivors of sexual assault.