Hong Kong, March 5 -- Passionate travellers Prasanna Veeraswamy and Sangeetha Ranganath on how to travel on a vegetarian diet. Ask one would love to travel around the world and visit each and every country. While a herculean task, couple travellers Prasanna Veeraswamy and Sangeetha Ranganath have conquered this mission, successfully spilling over onto their 11 passports after visiting almost every country in the world (170 of the UN-recognised 193 nations; 200 overall) But that's not all! The duo sample beer in each of their trips, eat authentic vegetarian dishes (Ranganath is a strict vegetarian) and ensure sustainability along the way. In a conversation with Veeraswamy, we find out more about this incredible feat and their various disco...