Fig. 2
From: A crowdsourced global data set for validating built-up surface layers

Screenshots of the (a) left hand and (b) right hand panels of the Geo-Wiki Global Built-up Surface Validation branch.
From: A crowdsourced global data set for validating built-up surface layers
Screenshots of the (a) left hand and (b) right hand panels of the Geo-Wiki Global Built-up Surface Validation branch.