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A sense of victory swept through the camp of #NoDAPL protesters late Sunday and Watch Operation Condor OnlineMonday.

The U.S. Army Corps of Engineers said it wouldn't grant an easement needed to finish the the $3.7 billion Dakota Access Pipeline near the Standing Rock Sioux reservation.

SEE ALSO: Drone footage shows recent clashes at #NoDAPL protest in Standing Rock

While the jubilation might be short-lived with President-elect Donald Trump waiting in the wings, for now, the mood at the camps in North Dakota is festive.

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Celebrations at Oceti Sakowin commence, you can hear the cheers of people all over. #NoDAPL

— Lakota Law Project (@lakotalaw) December 4, 2016

At the Oceti Sakowin Camp, cheers and chants erupted from the hundreds of indigenous people and activists gathered there.

Victory song and cheers as word spreads through camp that Dakota Access pipeline construction will be halted at #standingrock #NDPL #NoDAPL pic.twitter.com/FhOMkGrL0W

— Aaron Franco (@AFrancoTX) December 4, 2016

Fireworks splashed across the night sky on Sunday night, as celebrations unfolded on both days.

Credit: scott olson/ Getty Images Original image has been replaced. Credit: Mashable Original image has been replaced. Credit: Mashable Original image has been replaced. Credit: Mashable Credit: scott olson/Getty Images Original image has been replaced. Credit: Mashable

Currently crying tears of joy re: the triumph at #StandingRock. #NoDAPL pic.twitter.com/D2ozF2wbrL

— Adri Alva (@AdriAlvaLA) December 5, 2016

Shared some special moments with veterans here to stand with #StandingRock and protect the water. 📷 @evoake #NoDAPL #waterislife pic.twitter.com/QnTCfXAy8K

— Tulsi Gabbard (@TulsiGabbard) December 4, 2016

Monumental victory for Indigenous people on halting #DAPL. Now Congress must work to ensure they're always consulted https://t.co/hflyAPv8Cb pic.twitter.com/snxqJ0aaqv

— AmnestyInternational (@amnesty) December 5, 2016

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