Xian Park Hyatt Hotel bathroom case

Quick answer：

The 'Xian Park Hyatt Hotel bathroom case' refers to a specific incident or case study related to the bathroom facilities at the Xian Park Hyatt Hotel. This could involve issues such as design, maintenance, or guest experiences. Without more specific details, it's challenging to provide accurate information. If this is a case study, it would likely involve aspects of hospitality management, design, or customer service. If it's a real-life incident, it might have been covered in news or reviews.