New documentary featuring Zen Master Thich Nhat Hanh to hit US theaters
English actor Bennedict Cumberbatch lends his voice to the film’s narration
Ho Chi Minh City residents put on red roses to celebrate Ullambana
Wearing a red rose, like wearing a red carnation on Mother’s Day in western culture, means that the mothers of the wearers are still alive, while a white rose, like a white carnation, implies that the mothers have passed away