New Delhi is a city of 30 million people and is the capital of India. It is the second most populated city in the world. Butter Chicken is among New Delhi’s world famous dishes and you can expect a bowl of it for 300 Rupees. Less than €3.50. It is estimated that over 2 million of the city’s residents live in slums. This is a map of its metro rail system; Tokyo, the capital of Japan, has a population of 37 million and is the largest city in the world. Sushi is among the city’s famous culinary exports and you would be set back at least 3,000 Yen to get…