I think the pictures can be matched to the name without knowing the name when a person has already gotten familiar with other works from the particular country or region. Over time, we tend to subconsciously name and or identify things we're seeing for the first time due to having previous knowledge about what something that's closely related to it looks like.
2.
I think yes, it has good community contributions because they have put their respective countries out on the map due to their fantastic artwork. Without these designs, we might not have known the places as much as we do know them now.
