Layer Estimates:

Layer: Beijing_Housing_6_GWR_4 (ID:0)
Count: 15891
Extent:

XMin: 12921133.1535441
YMin: 4816147.45228983
XMax: 12992246.6046536
YMax: 4896499.58487902
Spatial Reference: 102100 (3857)

Layer: Beijing_Housing_6_GWR_4 (ID:1)
Count: 15891
Extent:

XMin: 12921133.1535441
YMin: 4816147.45228983
XMax: 12992246.6046536
YMax: 4896499.58487902
Spatial Reference: 102100 (3857)

Layer: OlympicStadium (ID:2)
Count: 1
Extent:

XMin: 12955388.4388
YMin: 4862373.4833
XMax: 12957761.3185
YMax: 4867174.1071
Spatial Reference: 102100 (3857)