A sign reads "From Palestine to Standing Rock we are united" at a protest camp in North Dakota, where people are standing in solidarity with the Standing Rock Sioux, who are fighting to protect their water source by blocking the Dakota Access Pipeline. Among the protesters has been May Aihua Ye, a Waterville native.

A protest camp in the morning after the first snowfall in North Dakota, where people are standing in solidarity with the Standing Rock Sioux, who are fighting to protect their water source by blocking the Dakota Access Pipeline. Among the protesters has been May Aihua Ye, a Waterville native.

Armed police convene on top of Turtle Island in North Dakota as protesters stand in solidarity with the Standing Rock Sioux, who are fighting to protect their water source by blocking the Dakota Access Pipeline. Among the protesters has been May Aihua Ye, a Waterville native.

Campers from Colorado set up a teepee at the Oceti Sakowin camp, where people have gathered to protest the Dakota Access oil pipeline near Cannon Ball, North Dakota, on Nov. 30.

May Aihua Ye, left, a Waterville native, and other protesters pose in front of the Michigan host tent recently in North Dakota to stand in solidarity with the Standing Rock Sioux, who are fighting to protect their water source by blocking the Dakota Access Pipeline.

Armed police convene on top of Turtle Island in North Dakota as protesters stand in solidarity with the Standing Rock Sioux, who are fighting to protect their water source by blocking the Dakota Access Pipeline. Among the protesters has been May Aihua Ye, a Waterville native.