As Denver residents stare down another 24 hours of protests, the city’s arts and culture scene is busy cleaning up while also bracing — as best as it can — for the next round of uncertainty. That’s because the city’s landmark buildings and statues, as well as the area it calls Civic Center Cultural Complex, have been at the heart of four days of protests against the Minneapolis police killing of George Floyd, an unarmed black man. Major nonprofit cultural institutions such as History Colorado, the Denver Art Museum and the main branch of the Denver Public Library system have been caught in violent clashes between police and hundreds of protesters defying emergency curfew. And with Denver’s curfew pushed to 9 p.m.