ai weiwei + HHF-designed upstate new york retreat has sold for $4.9 million

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HHF architects

HHF architects was founded in 2003 by tilo herlach, simon hartmann, and simon frommenwiler. since then, HHF has realized numerous projects in switzerland, germany, china, france, mexico and the USA. the scope of work ranges from urbanism and large-scale construction to public pavilions and interior design.

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