The Peninsula Hotel bathroom case

Quick answer：

The Peninsula Hotel bathroom case refers to a specific incident or design feature related to the bathroom of The Peninsula Hotel, which is a luxury hotel chain. It could involve discussions on the architectural design, interior decoration, or an incident that occurred in the bathroom of one of their hotels. However, without further details, it's difficult to provide specific information. Generally, such cases might be of interest in discussions on hotel design, luxury accommodations, or hospitality management.