这三座宫殿排列在大宫门的中轴线上。
The row of three courts laid on the central axis with the Grand Palace Gate .
主要的入口处朝南的大宫门，是园里18个主要宫门的其中一个。
The main entrance , facing south , was named the Grand Palace Gate ( Dagongmen ); it was one of the gardens eighteen major gates .
大宫门