Tree's Shape (1) Chokkan and Shakan: Pursue Ideal Based on Character - BONSAI WORLD | BONSAI
Chokkan: lo stile Bonsai eretto formale
Evoluzione Bonsai : STILI BONSAI - CHOKKAN - ERETTO FORMALE
Gli stili bonsai – Napoli Bonsai Club
Bonsai aesthetics - Wikipedia
File:Pescia, museo del bonsai, gingko biloba, stile chokkan (eretto formale), dal giappone, circa 50 anni.jpg - Wikimedia Commons
Jack Lin Bonsai - Chokkan or Formal Upright Style Bonsai. This technique mimics trees growing naturally in the wild with a straight upright trunk. The shape of the tree is triangular with