Complex sentence: BROS Headquarters (HQ), where they currently operate located on the first floor of the Bell Foundry: a multi-purpose cooperatively run performance and rehearsal space specializing in a community garden, skate park, upstairs print shop.
Split into simpler sentences: BROS Headquarters (HQ), where they currently operate, is located on the first floor of the Bell Foundry. The Bell Foundry is a multi-purpose cooperatively run performance and rehearsal space specializing in a community garden, skate park, upstairs print shop.