India, May 21 -- Arecent study suggests that Mumbai is among the world's least walkable cities, ranked at number 7. The study analysed factors such as walking trails, rainfall, safety, bike infrastructure and public transport to figure out which cities are easiest to navigate without a car. However, Mumbai did score well on affordability, as it offers one of the cheapest public transport systems in the world. Europe has the most amount of walkable cities, with Munich (Germany) at the top. Tokyo (Japan) was the only non-European city in the list. htc...