Mentoughou Tower Mentoughou Tower from Ryan Johnson Mentoughou Tower Competition to design an iconic mixed-use observation tower west of Beijing. Our design seeks to present itself as a gateway to the capitol. gLike Mentoughou Tower Competition to design an iconic mixed-use observation tower west of Beijing. Our design seeks to present itself as a gateway to the capitol. Architecture Share R 7 n Ryan Johnson Project Designer at GBBN Architects Cincinnati, OH Follow Contact