Hillary Clinton made history this week by becoming the first woman to secure the presidential candidacy for a major U.S. political party. This achievement is no small feat, considering it broke another glass ceiling that has held people in certain demographics back from running for presidency.

Such a historic moment is a reason for celebration, however, some Bernie Sanders supporters think otherwise. Keen Sanders advocates were still alive and well following the announcement, marching on metaphorically and literally.

Amiri Tulloch

While attending the Democratic National Convention in Philadelphia, 16-year-old journalist Amiri Tulloch recapped the peaceful march that was initiated by Sanders defenders. It stemmed from the sheer frustration and disappointment of Clinton’s nomination. “It was mainly a gathering at first, raising awareness to the fact that (Bernie supporters) weren’t happy with the DNC,” Tulloch said. “They were frustrated because they believe Sanders was best suited for the nomination.”

Amiri Tulloch

As the march continued, the collection of advocators began to diversify with each step, serving as an opposite representation of previous gatherings in favor of DonaldTrump. “The gathering was predominately white,” Tulloch said, “but there were pockets of black marchers that increased as they continued, creating a full spectrum of people.”

The march eventually amassed a sizable amount of supporters at the corner of Avenue of States, where a Mississippi flag with a Confederate emblem waved freely in the air. It sparked an immediate sit-in that eventually caused the city to take down the flag. “We sat there for about 45 minutes to an hour,” Tulloch said. “The protesters did a mini sit-in on the street, blocking the road, and forced the city to come in and take down the flag. That was a victory of the day … a lot of positivity.”

The photo gallery below, shot by Tulloch, shows the order of events: