ROCHESTER, Minn. – An unusual fire in wood piles outside the Space Concepts retail cabinet store north of downtown were extinguished by firefighters. Several wood piles were ablaze when fire crews arrived about 8:30 p.m. No one was inside the building. Firefighters used a grapple truck to pull the burning wood piles apart. High-pressure fans kept smoke out of the building. The fire also damaged relate equipment.