Here are some pictures from the 32nd Mid-America Bonsai Show, held last weekend at the Chicago Botanic Garden. I'll post the pictures in several batches, to make viewing simpler.
The headliner for the show was Mr. Hiroshi Yamaji. Mr. Yamaji is a second-generation bonsai grower and teacher from near Osaka, Japan. Tho I had never heard of him until a few months ago, I think he turned out to be a fine choice as the visiting master.
Saturday afternoon he did a demonstration with this Austrian pine (Pinus nigra.) He first asked for ideas from the audience, and several were offered. Then he revealed what he had decided to do, and it was a good deal more ambitious than I had expected! I was glad for the chance to watch; this was the first time I'd ever watched this sort of procedure live.
Yamaji-san's assistant was Steve Jetzer, chosen both for his bonsai skills and (explicitly) for his strength!
The blue wrapping in the last pictures is veterinary bandage, made of a material called "coban" (TM?) Mr. Yamaji said it would need to stay in place for 3 years while the splits callous over and new bark grows.