What is the fine-grained topic of the following text: The trek will take place on November 1-10, 2019 and TV celebrity and patron of Chestnut Tree House, Jodie Kidd, has already signed up for this trip which promises to be demanding but also intensely rewarding. Only return the topic.
Celebrity Jodie Kidd participating in a charity trek for Chestnut Tree House in November 2019.