These Are The Most Exciting Photos From The 2016 Iowa Caucuses

Tons of thrilling action in the Hawkeye State.

The first U.S. voters are making their voices heard Monday at the 2016 Iowa caucuses.

The process is not like a primary, where voters cast ballots for their presidential pick in a voting booth. Participation in the caucuses involves attending a public meeting. Republicans cast their votes in a secret ballot, while Democrats physically gather in different parts of a room dedicated to each candidate; the candidate's coalition needs to reach a certain threshold of voters in order for the candidate to get their votes.

See some of the best photos from the Iowa caucuses below:

Robert Montgomery reacts to caucus return numbers at the Donald Trump for President Caucus Watch Party at the Sheraton Hotel on Feb. 1, 2016 in Des Moines, Iowa.
Robert Montgomery reacts to caucus return numbers at the Donald Trump for President Caucus Watch Party at the Sheraton Hotel on Feb. 1, 2016 in Des Moines, Iowa.
Joe Raedle via Getty Images
Federico Oliphant, age 8, yawns during the Democratic party caucus in precinct 317 at Valley Church on Feb. 1, 2016 in West Des Moines, Iowa.
Federico Oliphant, age 8, yawns during the Democratic party caucus in precinct 317 at Valley Church on Feb. 1, 2016 in West Des Moines, Iowa.
Brendan Hoffman via Getty Images
Kim Frederick of Houston, Texas arrives for the caucus night event of Democratic presidential candidate former Secretary of State Hillary Clinton in the Olmsted Center at Drake University on Feb. 1, 2016 in Des Moines, Iowa.
Kim Frederick of Houston, Texas arrives for the caucus night event of Democratic presidential candidate former Secretary of State Hillary Clinton in the Olmsted Center at Drake University on Feb. 1, 2016 in Des Moines, Iowa.
Win McNamee via Getty Images
Supporters watch as results are displayed on a television during the caucus night event of Democratic presidential candidate former Secretary of State Hillary Clinton in the Olmsted Center at Drake University on Feb. 1, 2016 in Des Moines, Iowa.
Supporters watch as results are displayed on a television during the caucus night event of Democratic presidential candidate former Secretary of State Hillary Clinton in the Olmsted Center at Drake University on Feb. 1, 2016 in Des Moines, Iowa.
Win McNamee via Getty Images
A supporter arrives for the caucus night event of Democratic presidential candidate former Secretary of State Hillary Clinton in the Olmsted Center at Drake University on Feb. 1, 2016 in Des Moines, Iowa.
A supporter arrives for the caucus night event of Democratic presidential candidate former Secretary of State Hillary Clinton in the Olmsted Center at Drake University on Feb. 1, 2016 in Des Moines, Iowa.
Justin Sullivan via Getty Images
People watch a television showing the Caucus return numbers at the Donald Trump for President Caucus Watch Party at the Sheraton Hotel on Feb. 1, 2016 in Des Moines, Iowa.
People watch a television showing the Caucus return numbers at the Donald Trump for President Caucus Watch Party at the Sheraton Hotel on Feb. 1, 2016 in Des Moines, Iowa.
Joe Raedle via Getty Images
Paper ballots for Senator Ted Cruz are dispersed during the first-in-the-nation Iowa caucus in the Brody Middle School cafeteria in Des Moines, Iowa on Monday, Feb. 1, 2016.
Paper ballots for Senator Ted Cruz are dispersed during the first-in-the-nation Iowa caucus in the Brody Middle School cafeteria in Des Moines, Iowa on Monday, Feb. 1, 2016.
Bloomberg via Getty Images
A previous supporter of Democratic presidential candidate Martin O'Malley eats a cookie as he is persuaded to support Democratic presidential candidate Sen. Bernie Sanders during caucus night at the State Historical Society of Iowa, on Monday, Feb. 1, 2016 in Des Moines, Iowa.
A previous supporter of Democratic presidential candidate Martin O'Malley eats a cookie as he is persuaded to support Democratic presidential candidate Sen. Bernie Sanders during caucus night at the State Historical Society of Iowa, on Monday, Feb. 1, 2016 in Des Moines, Iowa.
Al Drago via Getty Images

The Republican caucus looks quite different compared to the Democratic caucus. #iacaucus

A photo posted by NewsyVideos (@newsyvideos) on

The count has started. #iacaucus #IowaCaucus #caucuspocalyspe2016

A photo posted by Ryan Donnell (@rdonnellphoto) on

The @hillaryclinton count. #myiowacacus #IowaCaucus #caucuspocalyspe2016 #iacaucus

A photo posted by Ryan Donnell (@rdonnellphoto) on

It's gettin' intense folks #iacaucus

A photo posted by Annie B (@anniebrees) on

John Hathaway shows his hat that has been signed by all the candidates for president during a campaign event for Republican presidential candidate Jeb Bush in Des Moines, Iowa, on Monday ahead of the Iowa Caucus.
John Hathaway shows his hat that has been signed by all the candidates for president during a campaign event for Republican presidential candidate Jeb Bush in Des Moines, Iowa, on Monday ahead of the Iowa Caucus.
JIM WATSON via Getty Images
A man looks up from his phone as Republican presidential candidate Sen. Rand Paul (R-Ky.) greets supporters behind him at a campaign stop with Sen. Charles Grassley (R-Iowa) at the Hy-Vee grocery store in Waukee, Iowa, on Monday.
A man looks up from his phone as Republican presidential candidate Sen. Rand Paul (R-Ky.) greets supporters behind him at a campaign stop with Sen. Charles Grassley (R-Iowa) at the Hy-Vee grocery store in Waukee, Iowa, on Monday.
Al Drago via Getty Images
An image of democratic presidential candidate former Secretary of State Hillary Clinton sticks out of a coat pocket that hangs on a door at a campaign office Monday in Ankeny, Iowa.
An image of democratic presidential candidate former Secretary of State Hillary Clinton sticks out of a coat pocket that hangs on a door at a campaign office Monday in Ankeny, Iowa.
Justin Sullivan via Getty Images
Former U.S. president Bill Clinton hugs a volunteer who is working for his wife, Democratic presidential candidate Hillary Clinton, as he visits a campaign office on her behalf Monday in Ankeny, Iowa.
Former U.S. president Bill Clinton hugs a volunteer who is working for his wife, Democratic presidential candidate Hillary Clinton, as he visits a campaign office on her behalf Monday in Ankeny, Iowa.
Justin Sullivan via Getty Images
A Rand Paul volunteer rings a cowbell to signify another committed voter for the Republican Kentucky senator at his Des Moines headquarters on Monday.
A Rand Paul volunteer rings a cowbell to signify another committed voter for the Republican Kentucky senator at his Des Moines headquarters on Monday.
Pete Marovich via Getty Images
Caucus-goers sit in the Brody Middle School auditorium before casting their vote for a Republican presidential candidate ahead of the first-in-the-nation Iowa caucus in Des Moines, Iowa, on Monday.
Caucus-goers sit in the Brody Middle School auditorium before casting their vote for a Republican presidential candidate ahead of the first-in-the-nation Iowa caucus in Des Moines, Iowa, on Monday.
Bloomberg via Getty Images
Republican presidential candidate Donald Trump speaks during a campaign event at the U.S. Cellular Convention Center on Monday in Cedar Rapids, Iowa.
Republican presidential candidate Donald Trump speaks during a campaign event at the U.S. Cellular Convention Center on Monday in Cedar Rapids, Iowa.
Joshua Lott via Getty Images

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