Layer Estimates:

Layer: Tema_town_grids (ID:0)
Count: 74173
Extent:

XMin: 819385.722965347
YMin: 620712.263640393
XMax: 831959.984992116
YMax: 631565.424224194
Spatial Reference: 32630 (32630)

Layer: Tema_town_sheet (ID:1)
Count: 23014
Extent:

XMin: 819478.4286233
YMin: 620801.78780531
XMax: 831861.907044647
YMax: 631457.11117662
Spatial Reference: 32630 (32630)

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

XMin: 819337.4249
YMin: 620663.0735
XMax: 835965.6574
YMax: 630628.6417
Spatial Reference: 32630 (32630)