President Donald Trump pauses while speaking onstage during a rally in Duluth, Minnesota, U.S., on Wednesday, June 20, 2018. Trump reversed course on...
President Donald Trump speaks onstage during a rally in Duluth, Minnesota, U.S., on Wednesday, June 20, 2018. Trump reversed course on his policy...
President Donald Trump speaks onstage during a rally in Duluth, Minnesota, U.S., on Wednesday, June 20, 2018. Trump reversed course on his policy...
President Donald Trump gestures while speaking onstage during a rally in Duluth, Minnesota, U.S., on Wednesday, June 20, 2018. Trump reversed course...
Attendees hold "Make America Great Again" signs at a rally with U.S. President Donald Trump, not pictured, in Duluth, Minnesota, U.S., on Wednesday,...當勞·特朗普 - 美國總統, 讓美國再次偉大
Attendees gather at a rally with U.S. President Donald Trump in Duluth, Minnesota, U.S., on Wednesday, June 20, 2018. Trump reversed course on his...
Attendees take photographs during a rally with U.S. President Donald Trump in Duluth, Minnesota, U.S., on Wednesday, June 20, 2018. Trump reversed...
President Donald Trump gestures as he leaves the stage after speaking during a rally in Duluth, Minnesota, U.S., on Wednesday, June 20, 2018. Trump...
People buy merchandise during a rally with U.S. President Donald Trump, not pictured, in Duluth, Minnesota, U.S., on Wednesday, June 20, 2018. Trump...
Attendees take photographs during a rally with U.S. President Donald Trump, not pictured, in Duluth, Minnesota, U.S., on Wednesday, June 20, 2018....
President Donald Trump waves to the audience after speaking during a rally in Duluth, Minnesota, U.S., on Wednesday, June 20, 2018. Trump reversed...
President Donald Trump gestures while speaking onstage during a rally in Duluth, Minnesota, U.S., on Wednesday, June 20, 2018. Trump reversed course...
President Donald Trump speaks onstage during a rally in Duluth, Minnesota, U.S., on Wednesday, June 20, 2018. Trump reversed course on his policy...
President Donald Trump speaks onstage during a rally in Duluth, Minnesota, U.S., on Wednesday, June 20, 2018. Trump reversed course on his policy...
President Donald Trump gestures while speaking onstage during a rally in Duluth, Minnesota, U.S., on Wednesday, June 20, 2018. Trump reversed course...
Attendees gather at a rally with U.S. President Donald Trump, not pictured, in Duluth, Minnesota, U.S., on Wednesday, June 20, 2018. Trump reversed...
Lara Trump, daughter-in-law of President Donald Trump, speaks to the president's supporters during a campaign rally at the Amsoil Arena on June 20,...拉拉·特朗普
Supporters of President Donald Trump taunt the media after being egged on by the president during a campaign rally at the Amsoil Arena on June 20,...
Pete Stauber, Republican candiate for the U.S. House in Minnesotas 8th District, waves to the crowd after being introduced by President Donald Trump...
Supporters wait for the start of a campaign rally with President Donald Trump at the Amsoil Arena on June 20, 2018 in Duluth Minnesota. Earlier today...當勞·特朗普 - 美國總統
President Donald Trump speaks to supporters during a campaign rally at the Amsoil Arena on June 20, 2018 in Duluth Minnesota. Earlier today President...
President Donald Trump speaks to supporters during a campaign rally at the Amsoil Arena on June 20, 2018 in Duluth Minnesota. Earlier today President...當勞·特朗普 - 美國總統
President Donald Trump speaks to supporters during a campaign rally at the Amsoil Arena on June 20, 2018 in Duluth Minnesota. Earlier today President...
President Donald Trump speaks to supporters during a campaign rally at the Amsoil Arena on June 20, 2018 in Duluth Minnesota. Earlier today President...當勞·特朗普 - 美國總統
President Donald Trump speaks to supporters during a campaign rally at the Amsoil Arena on June 20, 2018 in Duluth Minnesota. Earlier today President...
President Donald Trump greets supporters after speaking during a campaign rally at the Amsoil Arena on June 20, 2018 in Duluth Minnesota. Earlier...
President Donald Trump greets supporters after speaking during a campaign rally at the Amsoil Arena on June 20, 2018 in Duluth Minnesota. Earlier...
President Donald Trump greets supporters after speaking during a campaign rally at the Amsoil Arena on June 20, 2018 in Duluth Minnesota. Earlier...
President Donald Trump greets supporters after speaking during a campaign rally at the Amsoil Arena on June 20, 2018 in Duluth Minnesota. Earlier...
President Donald Trump greets supporters after speaking during a campaign rally at the Amsoil Arena on June 20, 2018 in Duluth Minnesota. Earlier...
President Donald Trump greets supporters after speaking during a campaign rally at the Amsoil Arena on June 20, 2018 in Duluth Minnesota. Earlier...
President Donald Trump speaks to supporters during a campaign rally at the Amsoil Arena on June 20, 2018 in Duluth Minnesota. Earlier today President...
President Donald Trump speaks to supporters during a campaign rally at the Amsoil Arena on June 20, 2018 in Duluth Minnesota. Earlier today President...
President Donald Trump speaks to supporters during a campaign rally at the Amsoil Arena on June 20, 2018 in Duluth Minnesota. Earlier today President...
President Donald Trump introduces Pete Stauber, Republican candiate for the U.S. House in Minnesotas 8th District, during a campaign rally at the...
President Donald Trump listens as Pete Stauber, Republican candiate for the U.S. House in Minnesotas 8th District, speaks during a campaign rally at...
President Donald Trump greets supporters as he arrives for a campaign rally at the Amsoil Arena on June 20, 2018 in Duluth Minnesota. Earlier today...
Supporters wait for the start of a campaign rally with President Donald Trump at the Amsoil Arena on June 20, 2018 in Duluth Minnesota. Earlier today...
Jack Nylund arrives for a campaign rally with President Donald Trump at the Amsoil Arena on June 20, 2018 in Duluth Minnesota. Earlier today...
Supporters begin arriving for a campaign rally with President Donald Trump at the Amsoil Arena on June 20, 2018 in Duluth Minnesota. Earlier today...
Supporters begin arriving for a campaign rally with President Donald Trump at the Amsoil Arena on June 20, 2018 in Duluth Minnesota. Earlier today...
Supporters begin arriving for a campaign rally with President Donald Trump at the Amsoil Arena on June 20, 2018 in Duluth Minnesota. Earlier today...
Supporters begin arriving for a campaign rally with President Donald Trump at the Amsoil Arena on June 20, 2018 in Duluth Minnesota. Earlier today...
Large weir measuring wastewater flow at a Morgan Park, Minnesota waterway near Duluth, 1929. Image courtesy Centers for Disease Control / Minnesota...
Coke plant sewer outlet in the St Louis River at Morgan Park, Minnesota, near Duluth, 1929. Image courtesy Centers for Disease Control / Minnesota...
Water filtration system inside of the Duluth, Minnesota hypochlorite plant, 1913. Image courtesy Centers for Disease Control / Minnesota Department...
Piping and the control box machinery inside of a hypochlorite plant located in Duluth, Minnesota, 1913. Image courtesy Centers for Disease Control /...
Breven Berg takes a photo of the fire at Husky Oil Refinery in Superior, Wisconsin on April 26, 2018 seen from Duluth, Minnesota. At least 11 people...
View of the fire at Husky Oil Refinery in Superior, Wisconsin on April 26, 2018 seen from Duluth, Minnesota. At least 11 people were injured when a...
View of the fire at Husky Oil Refinery in Superior, Wisconsin on April 26, 2018 seen from Duluth, Minnesota. At least 11 people were injured when a...
View of the fire at Husky Oil Refinery in Superior, Wisconsin on April 26, 2018 seen from Duluth, Minnesota. At least 11 people were injured when a...
Smoke from an explosion at the Husky Energy oil refinery in Superior, Wisconsin on April 26, 2018 is seen from across the lake in Duluth, Minnesota....
Smoke from an explosion at the Husky Energy oil refinery in Superior, Wisconsin on April 26, 2018 is seen from across the lake in Duluth, Minnesota....
Smoke from an explosion at the Husky Energy oil refinery in Superior, Wisconsin on April 26, 2018 is seen from across the lake in Duluth, Minnesota....
Smoke from an explosion at the Husky Energy oil refinery in Superior, Wisconsin on April 26, 2018 is seen from across the lake in Duluth, Minnesota....