Oops. I realized I didn’t post more details. So last minute info - 2pm at Invalidovna metro station.
This is the location: http://g.co/maps/pt3w8
There’s not much to look at, it probably will take around an hour to see it all.
My phone number is +420 731 xy 24 xy, where xy+24+xy = 176 and xy=xy, duh.