Layer Estimates:

Layer: Les murs dans le monde (ID:0)
Count: 52
Extent:

XMin: -13074957.5615
YMin: -3121017.917
XMax: 14550283.042
YMax: 11010104.7724
Spatial Reference: 102100 (3857)

Layer: Contour des pays (ID:1)
Count: 256
Extent:

XMin: -20037507.0671618
YMin: -30240971.9583861
XMax: 20037507.0671618
YMax: 18453295.0179767
Spatial Reference: 102100 (3857)