Layer Estimates:

Layer: Silk Road Cities (ID:1)
Count: 100
Extent:

XMin: 1373125.7784
YMin: -848874.8475
XMax: 14458735.726
YMax: 5957491.8648
Spatial Reference: 102100 (3857)

Layer: Silk Road (ID:20)
Count: 51
Extent:

XMin: 3232323.9009
YMin: 3926103.4504
XMax: 12519894.8926
YMax: 5572236.0049
Spatial Reference: 102100 (3857)

Layer: Other Trade Routes (ID:19)
Count: 36
Extent:

XMin: 3333801.6796
YMin: 2442005.0108
XMax: 13395040.7177
YMax: 6226868.5479
Spatial Reference: 102100 (3857)

Layer: Maritime Routes (ID:18)
Count: 46
Extent:

XMin: 1323622.6091
YMin: -738010.278700002
XMax: 15475587.7247
YMax: 5957491.8648
Spatial Reference: 102100 (3857)

Layer: Incense Road (ID:17)
Count: 4
Extent:

XMin: 3834401.9393
YMin: 1738459.9867
XMax: 5046719.5113
YMax: 3701772.6128
Spatial Reference: 102100 (3857)

Layer: Grand Trunk Road (ID:16)
Count: 4
Extent:

XMin: 7701228.6682
YMin: 2545612.1049
XMax: 9813544.0972
YMax: 4100878.0186
Spatial Reference: 102100 (3857)

Layer: Eurasian Steppe Route (ID:15)
Count: 8
Extent:

XMin: 4378356.4495
YMin: 5058715.2914
XMax: 9227160.3332
YMax: 6150054.3485
Spatial Reference: 102100 (3857)