Here are 12 photos from the grand opening of Encore Boston Harbor

Thousands of visitors showed up for the Sunday opening of the $2.6 billion hotel and casino.

Crowds of people lined up hours ahead of time to be the first to walk through the doors of Encore Boston Harbor in Everett. Some arrived as early as 3 a.m. to get into Massachusetts’ newest casino. —Erin Clark for The Boston Globe
The line continued to grow Sunday morning even after Encore Boston Harbor opened their doors. —Erin Clark for The Boston Globe
Casino goers walked around the the front entrance of Encore Boston Harbor. —Erin Clark for The Boston Globe
A woman looked up at a carousel covered in flowers. —Jessica Rinaldi/Globe Staff
People played on the casino floor. —Jessica Rinaldi/Globe Staff
People filled the casino floor at Encore Boston Harbor during the grand opening. —Jessica Rinaldi/Globe Staff
People posed for a picture in front of a Popeye sculpture by artist Jeff Koons. —Jessica Rinaldi/Globe Staff
A man took a selfie as he entered Encore Boston Harbor. —Jessica Rinaldi/Globe Staff
Fireworks are seen from inside Encore Boston Harbor during the grand opening. —Jessica Rinaldi/Globe Staff
Rosa Martinez of Everett held her one year-old daughter, Emily Ramirez. —Jessica Rinaldi/Globe Staff
Encore Boston Harbor’s ferry traveled across the harbor after picking up casino goers. —Erin Clark for The Boston Globe
Erzhuo Chen of Cranston, RI bends down to get an angle on a piece of artwork inside Encore Boston Harbor. —Jessica Rinaldi/Globe Staff
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