Layer Estimates:

Layer: Water-related 16th-century European Palaces (ID:1)
Count: 103
Extent:

XMin: -9.39797199999998
YMin: 36.8152680000001
XMax: 19.9366000000001
YMax: 55.9785000000001
Spatial Reference: 4326 (4326)

Layer: migrations of hydraulic engineers and water-related artist (ID:2)
Count: 55
Extent:

XMin: -5.97422499999993
YMin: 39.858056
XMax: 14.285605
YMax: 51.5110000000001
Spatial Reference: 4326 (4326)

Layer: Common Promotors (ID:3)
Count: 32
Extent:

XMin: -5.99118699999997
YMin: 36.8152680000001
XMax: 12.7961110000001
YMax: 50.469301
Spatial Reference: 4326 (4326)