Pupil Cheng Ka-ki, 14, looks surprised as Zen master Thich Nhat Hanh (Thay) reaches to hold her hand at the start of a meditation walk during a "day of mindfulness" at the Hong Kong Institute of Education. 17 MAY 2007
Pupil Cheng Ka-ki, 14, looks surprised as Zen master Thich Nhat Hanh (Thay) reaches to hold her hand at the start of a meditation walk during a "day of mindfulness" at the Hong Kong Institute of Education. 17 MAY 2007 (Photo by Steve Cray/South China Morning Post via Getty Images)