Rockets’ red glare, bombs bursting in air The sound of the Park Rapids Rotary Club's July 4 fireworks show could be felt in the bones as the sky above the Fish Hook River burst into brilliant, colored light. 3:15 pm, Jul. 5, 2021 × Smoke, sparks and a split second of false daylight explode in the night sky over the Fish Hook River during Sunday's July 4 fireworks show. (Robin Fish/Enterprise, July 4, 2021) Multiple fountains of colored flame spurt above Heartland Park during the grand finale of the Rotary's July 4 fireworks display. (Robin Fish/Enterprise) RELATED: Watch the fireworks finale Gigantic blossoms of brilliant, colored light open above Heartland Park during the Park Rapids Rotary's July 4 fireworks display. (Robin Fish/Enterprise, July 4, 2021)