Wu’s cause of death has not yet been revealed.
Wu gained a massive following on social media for documenting her travels, sharing photos of herself on mountaintops in bikinis.
Wu’s last post to Facebook was on Thursday. She shared a photo of a stunning mountain top view, captioning it “celebrating today.”
After the news of her death broke, a number of her followers expressed their condolences in the comment section of her photos.
“Thank you for bringing us countless beautiful scenery, blessings to your soul,” one user wrote.
“In the eyes of people who like climbing, you are a standard, professional climber, admirable! Be an angel in your favorite mountain forest,” a different user commented.
This article first featured on PEOPLE.