my name is alan tong, better known as the asian iceman.the energy there is completely different — so pure and so awakening. i guess we live in a tropical country so we don't have the cold we need. so hence i order the ice from the ice man. and in so though, we would have 120 kilos of ice inside and the temperature of the water would go down to about zero, maybe —1. the first 23 seconds would be the most difficult. you might want to run out, jump out, just scream and so on. it is very likely that you'd feel this sharpness, the stabbing into your skin. but once you're in there, you can feel these sensations of — we call it a natural high. i usually spend up to 20 minutes in the ice bath. your mind will in fact gain a certain clarity and strength in a way that you have never experienced before. whew! mental strength, mental control, this is real. screams. alan tong, who goes by the nickname of the ‘asian ice man'. he certainly earned it. now sharanjit, this weekend viewers of bbc world news were able to see you showing people around singapore