This is the 4838th most frequent Chinese word.
花垣
"花垣" refers to "Huayuan," a county in Hunan Province, China.
In this sentence, 花垣 (Huayuan) is used as a proper noun, referring to a specific county in Hunan Province.
花垣位于中国湖南省的西南地区，是一座美丽的县城。
Huayuan is located in the southwestern region of Hunan Province in China; it is a beautiful county town.
Here, 花垣 is used to describe a literal decorative wall made of flowers, showcasing a creative use of the term in design contexts.
她精心设计了一座花垣，里面种满了各种美丽的花朵。
She meticulously designed a floral wall filled with various beautiful flowers.
花垣 is used metaphorically in the book title, possibly to evoke imagery or explore cultural/natural beauty.