New gyms?

I am currently on vacation in a small Greek island that up to now had 5-6 gyms (I was here last August as well)

Yesterday, I saw a brand new empty gym. I am pretty sure that it wasn't there before, I would have spotted it.

Today, I visited another smaller island, quite close. This one had no gym according to Gymhuntr. However, I spotted another empty gym which I hastened to occupy.

Have any of you seen new gyms spawning?

Yesterday I spotted a new