No, Black City empties if you leave it for a while. You need to hook up with White and go to their White Forest, talk to the people, and then you should get more people in your Black City.
Some guy in the Icirrus Pokemon Centre, he'll also buy Nuggets, Star Pieces, Pearls, for double the sell price of any other Pokemon Centre
I think it's because you activate Liberty Garden through event, and Unity Tower through a successful trade on the GTS, so I don't think there will be a grey dot there- they're meant to be kinda mysterious I suppose.
And sorry I didn't know about your third question
They should be there, because in my game it shows that Unity Tower is flyable to and Liberty Garden is a green dot. Maybe you're just looking at the wrong place.Forth question:
Also, that Unity Tower thing AND Liberty Garden... aren't even on the map. I mean, the islands are there, but there isn't a green dot (or grey dot if they haven't been visited) on their locations... And I visited the piers and they just make that typical small talk you're tired of hearing, like, "Isn't it nice how Pokemon and people can live together blahblah"
If anyone can help me with these questions, I'll be sososo grateful!!
Neither are there, and I'm looking in the correct place-!
1. Does the Synchronize trick work on interact Legendaries like Cobalion or Virizion? I've read conflicting reports on this.
2. Is there any way to either name your character or nickname a Pokemon with Japanese characters if you don't have a Japanese game?
I don't get this... I mean, like, it was like this when I first found and visited Black City. That market was NEVER there...