Layer Estimates:

Layer: Beijing (ID:0)
Count: 1
Extent:

XMin: 116.388036416348
YMin: 39.9061890456879
XMax: 116.388036416348
YMax: 39.9061890456879
Spatial Reference: 4326 (4326)

Layer: beijing_districts (ID:1)
Count: 8
Extent:

XMin: 115.4172086
YMin: 39.5058351000001
XMax: 116.6392727
YMax: 40.177493
Spatial Reference: 4326 (4326)

Layer: All Districts (ID:2)
Count: 2864
Extent:

XMin: 73.4469604490001
YMin: 15.7806600000001
XMax: 134.7754563
YMax: 53.5608154000001
Spatial Reference: 4326 (4326)