Vietnamese oranges are green on the outside. If you are looking for a freshly squeezed orange juice to combat the heat, then look for a stand that has piles of fresh green oranges. They are particularly juicy, and the flavour is mild in comparison to some of our oranges in Australia. Vietnamese typically will add sugar to the orange juice. I don't mind that, but I usually ask for no sugar.
The image shows a pile of green citrus fruits, likely lemons, with some cut open to reveal their bright orange flesh and seeds.
The image shows a pile of green citrus fruits, likely lemons, with some cut open to reveal their bright orange flesh and seeds.