Seltzer is carbonated water.

Thanks, but I still don't know what is this bitcoin park.

It’s a center in Nashville that hosts meet ups and workshops and stuff for bitcoiner, and I believe hosts some office space for some local bitcoin companies

Looks great. They are soon inogurating something similar an hour from me, but it's a bit shitcoiner on the side, maybe it will heal by itself with time, we all need time to fully understand Bitcoin.