Kozhikode: At the 150-year-old pond of the Thondayad Vishnu Temple in Nellikkode, barriers of age seem to dissolve with every splash in the water. Over the past nine years, the waterbody has transformed into a learning space where everyone, from five-year-old Daksha to 74-year-old Bindu Ramakrishnan, dives in with equal excitement. More than a thousand…