Olson Kundig Architects install a mushroom farm inside a Seattle storefront that repurposes the city’s discarded coffee grounds as compost and teaches locals about urban agriculture. Olson Kundig Architects install a mushroom farm inside a Seattle storefront that repurposes the city’s discarded coffee grounds as compost and teaches locals about urban agriculture. Olson Kundig Architects install a mushroom farm inside a Seattle storefront that repurposes the city’s discarded coffee grounds as compost and teaches locals about urban agriculture. Olson Kundig Architects install a mushroom farm inside a Seattle storefront that repurposes the city’s discarded coffee grounds as compost and teaches locals about urban agriculture.