The food that traditional tourism can bring is very limited. Generally, it is fast food. Not to mention it is not delicious, it is all preservatives and various additives. If you need an outdoor picnic or camping, it is recommended to bring a "solar oven". Wherever you go, where you bake, where there is sunshine, you can cook delicious food. Light weight and small size, very convenient to carry. You can bake whatever you want in the kitchen, and eat hot food when you go out, and it is also nutritious and healthy. If you are interested, you can go to Taobao to search.