What are some Vietnamese inventions?

* The Ao Dai: The Ao Dai is a Vietnamese national dress that is worn by both men and women. It is a long, loose-fitting tunic that is split at the sides and worn over pants. The Ao Dai is often made from silk and is often decorated with intricate designs.

* The Non La: The Non La is a traditional Vietnamese conical hat that is made from palm leaves. It is used to protect people from the sun and rain and is often worn by farmers and other outdoor workers. The Non La is also a popular souvenir for tourists.

* The Banh Mi: The Banh Mi is a Vietnamese sandwich that is made with a baguette and filled with various meats, vegetables, and sauces. The Banh Mi is a popular street food in Vietnam and is also enjoyed by people around the world.

* The Pho: Pho is a Vietnamese noodle soup that is made with beef, rice noodles, and a variety of herbs and spices. Pho is a popular breakfast food in Vietnam and is also enjoyed by people around the world.

* The Ca Phe Sua Da: Ca Phe Sua Da is a Vietnamese iced coffee that is made with strong coffee, condensed milk, and ice. Ca Phe Sua Da is a popular drink in Vietnam and is also enjoyed by people around the world.