Actress Park Ha Sun raved about flying yoga for her recent weight loss. 

On KBS 'Entertainment Relay' that aired recently, Park Ha Sun explained the reason for her extreme weight loss. 

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Park shared, "People around me were worried that I had something going on with my family," but she explained that she trained 4 hours a day to earn an instructor's license for flying yoga. "That's why I lost so much weight," she added.

Seems like flying 4 hours a day surely paid off! She looks flawless!