Layer Estimates:

Layer: cities (ID:1)
Count: 2540
Extent:

XMin: -19609102.3664377
YMin: -7321601.75294756
XMax: 19950889.2403155
YMax: 14476657.52458
Spatial Reference: 102100 (3857)

Layer: World Major Rivers (ID:3)
Count: 98
Extent:

XMin: -18355185.4541928
YMin: -4434848.73300273
XMax: 17896121.6043764
YMax: 11537827.6520835
Spatial Reference: 102100 (3857)

Layer: country (ID:2)
Count: 640
Extent:

XMin: -20037507.0671618
YMin: -30240971.9583861
XMax: 20037507.0671618
YMax: 18460513.2188867
Spatial Reference: 102100 (3857)