Some guys thrive on the small sheet, others paint with a big brush on large canvases, even take trials with frescos on massive walls and ceilings. Tolva Eelinen might belong to the latter dirty dozen of artists making their magic happen in practically unrestricted spatial configurations giving only loose limits for the imagination and creativity to manifest themselves aka chapels, palaces and town squares, let alone air fields.
He is also a surgeon though. And that will be his ticket to the show and limelight. To operate with speed and precision and cut the fancy crap out.