Formal upright Bonsai style (Chokkan) https://bonsaitreee.com/what-is-bonsai-tree/ - MIHIRB BONSAI - Quora
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
![File:Pescia, museo del bonsai, olea europea stile chokkan (eretto formale), da italia, circa 30 anni.jpg - Wikimedia Commons File:Pescia, museo del bonsai, olea europea stile chokkan (eretto formale), da italia, circa 30 anni.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/f/ff/Pescia%2C_museo_del_bonsai%2C_olea_europea_stile_chokkan_%28eretto_formale%29%2C_da_italia%2C_circa_30_anni.jpg)