What is the fine-grained topic of the following text: On Feb 10th 2019, 24-year-old Taiwanese designer Tzu Hsuan Yang debuted her THY Fall 2019 women’s wear at New York Fashion Week in Angel Orensanz Center where Alexander McQueen first held his show in New York back in 1996. Only return the topic.
Tzu Hsuan Yang's THY Fall 2019 women's wear debut at New York Fashion Week.