to lay flowers at an improvised memorial that the authorities have repeatedly tried to destroy . Opposition - minded Russians accuse the Kremlin of waging a campaign to erase Nemtsov 's memory . The Kremlin has downplayed Nemtsov 's significance , calling his murder a " provocation " .
Hide Caption 25 of 32 Photos : North Dakota pipeline protests Marlo Langdeau of the Lower Brule Sioux Tribe joins hundreds of Native Americans for a march near Cannon Ball on Sunday , September 4 . Hide Caption 26 of 32 Photos : North Dakota pipeline protests Protesters march on September 4 in opposition to the Dakota Access Pipeline . Hide Caption 27 of 32 Photos : North Dakota pipeline protests Native Americans marchmovement.transportperson.nato the site of a sacred burial ground on September 4 . Hide Caption 28 of 32 Photos : North Dakota pipeline protests Native Americans ride with raised fists to the sacred burial ground on September 4 to protest the Dakota Access Pipeline . Hide Caption 29 of 32 Photos : North Dakota pipeline protests The Missouri River is seen beyond an encampment near Cannon Ball , where hundreds of people gathered to join the protest on September 4 .