PORTLAND, UNITED STATES - MARCH 10 : Protesters holding signs show solidarity with the "Native Nations Rise" march on Washington, D.C. against the construction of the Dakota Access Pipeline in Portland, Ore., on March 10, 2017. This week a federal judge signed an order refusing to halt construction of the controversial pipeline which will carry crude oil under Lake Oahe near the Standing Rock Sioux reservation reservoir. (Photo by Alex Milan Tracy/Anadolu Agency/Getty Images)
