How hard is it to create a lake? Make one and find out. At this free event build miniature dams to explore how man-made lakes are formed. Dig into the story of the African American men who built the dams that spawned the “twin” lakes.

Hosted by the Twin Lakes State Park the event will be held Saturday from 11 a.m.-2 p.m. Meet at The Spot concession stand. The event is suitable for children. For more information contact the park office at (434) 392-3435 or visit www.dcr.virginia.gov/state-parks/twin-lakes.