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Thousands filed into Folsom Field for Boulder's annual fireworks spectacle.

It's June on campus, which means wildlife abound. These resident turtles in Varsity Pond, however, can be seen most of the year on the west side of campus.  Photo by Glenn Asakawa 

Children play on the Norlin Quad while visiting campus.

The Sundial Plaza at Norlin Library.

Approximately 1,000 people participated in the 10th-annual Tube to Work Day in Boulder Creek July 14. The event attracted its largest-ever crowd of tubers, and spectators reveled in the quirky costumes and colorful inflatables of those floating down the creek.

As students conclude a day of classes at Å·ÃÀ¿Ú±¬ÊÓƵ Boulder, the sun ambushes the sky with brilliant colors as it sets behind the Rocky Mountains. This photo was captured over Kittredge ponds on the southern edge of campus.

<p>Students taking a Maymester course on campus trudged through a mid-May snow storm that blanketed campus with heavy snow beginning Thursday, May 18. By Saturday morning, the sun was back and the campus landscape appeared green and lush. </p>

At commencement 2017, Friday, May 12, the university awarded nearly 6,300 diplomas representing more than 4,600 undergraduate and 1,600 graduate degrees.

Snow-capped Rocky Mountains as the spring semester winds to an end.

It's the final week of the spring semester.