Ho Chi Minh City is the largest metropolitan area of Vietnam with more than nine million people and the expectation to grow another four to five million by 2025. Parts of the city, formerly called Saigon, have flourished post-war with gorgeous skyscrapers, office buildings and shopping centers. Others have maintained buildings that reflect their historic, cultural and religious past. Yet much of the city is congested with motor scooters weaving through the crowded streets that are lined with old, dirty storefronts. And among these contrasts, you are likely to see poultry walking aimlessly around.