Hello, so google launched its new community features recently, and there is already quite a few photo related communities (specialized in landscape, portrait, night photo, HDR, etc...), some of them with already 40K+ users.
For Nex users you can join this one : https://plus.google.com/u/1/communities/112849123363950007520#communities/112849123363950007520
|Street Food by poppyjk|
from Your City - Local Street Vendor
|Tomato Clownfish by chile7236|
from Fish world
|Vermont-Autumn by kevinplui|
from My Best Photo of the Week