Xian Park Hyatt Hotel Terrace Case

Quick answer：

The 'Xian Park Hyatt Hotel Terrace Case' refers to a specific instance or project related to the rooftop terrace design or renovation of the Park Hyatt Hotel in Xi'an, China. This could involve architectural design, landscape architecture, or hospitality design elements. For detailed information about this specific case, further research or direct inquiries to the hotel or architectural firms involved would be necessary.