Why is the equestrian statue of Lu Bu half-length?

Sculpture is a kind of art, and the level of art does not matter whether it is a full-length statue or a bust. Many busts are more expressive than full bodies.

Introduction to Lu Bu:

Lü Bu (? - February 7, 199), named Fengxian, Han nationality, a famous general in the late Eastern Han Dynasty, one of the heroes in the late Han Dynasty, Jiuyuan, Wuyuan County County native (now Jiuyuan District, Baotou, Inner Mongolia). He served as a general under Ding Yuan and Dong Zhuo, and also served for Yuan Shao. Later, he occupied Xuzhou and became a force of his own. In December of the third year of Jian'an (February 7, 199), he was defeated and executed by Cao Cao in Xiapi.

Introduction to statues:

A statue is a kind of work that uses materials and special processes to carve out various images.