eating grand scene dry landscape

Quick answer：

The phrase 'eating grand scene dry landscape' seems to combine elements of a social gathering with a traditional Japanese garden concept. 'Eating grand scene' might refer to a large, lavish meal with many people, while 'dry landscape' is a term for the Japanese art of arranging rocks, sand, and often moss to represent a natural landscape. This could be describing an event where a large group is dining in a setting that resembles a Zen rock garden.