Guangzhou Langham Hotel Banquet Hall Effect Sketch

Quick answer：

The Guangzhou Langham Hotel is a luxury hotel located in the heart of Guangzhou, China. The banquet hall is a key facility within the hotel, designed to host events and conventions. The 'effect sketch' refers to an artistic representation or rendering of the banquet hall's interior design. These sketches are often used for promotional purposes, to give potential clients an idea of the space's layout, decor, and ambiance.