View Larger Image Tower of Natural reserve and wildlife park Goldauiziasys2020-11-18T10:44:48+01:00 Project Description Year of construction 2016 Builder Parc naturel et animalier Goldau Architect Gion A. Caminada, ETH Zürich Engineering office Walter Bieler AG, Bonaduz Timber construction Annen Holzbau AG, Goldau Wood supply Schilliger Holz AG BLC, CLT, facade in silver fir.