Sunflower is a plant that originated in South America and has been cultivated in Indian cultures as early as 1000 BC. Originally used as food and oil, they were carried to other areas with the arrival of Europeans.

In the 16th century, Spanish colonists brought sunflowers to Europe, where they were originally used as decorative plants. Over time, sunflowers gradually became a staple crop.

Sunflower cultivation developed so rapidly that it became a major source of oil. At the end of the 19th century, the United States began to plant sunflowers on a large scale and became one of the largest sunflower-growing countries in the world.

Sunflowers have a wide range of applications in human life, here are some of their main functions:

1. Edible: sunflower seeds are a nutritious food, rich in protein, fiber, unsaturated fatty acids, and other components. Sunflower seeds can be made into various snacks, such as roasted sunflower seeds, fried sunflower seeds, sesame candies, etc.

2. Oil: sunflower seeds can also extract oil, which is a very healthy oil rich in vitamin E and unsaturated fatty acids, which can be used for cooking and making various foods.

3. Feed: Sunflower seeds can be used as feed for livestock, especially for birds and poultry.

4. Bouquets and decorations: The flowers of sunflowers are very beautiful and are often used to make bouquets and decorations.

5. Cosmetics and skin care products: Vitamin E and unsaturated fatty acids in sunflower oil have a good moisturizing and moisturizing effect on the skin, so sunflower oil is often used in cosmetics and skincare products.

6. Fuel and paint: Sunflower oil can be used as raw material for biofuel and paint, which is environmentally friendly and renewable.

Here are some of the world-famous places to visit sunflowers:

1. The "Sunflower Capital" in Kansas, USA: Kansas is known as the "Sunflower State", and the "Sunflower State" in its territory is named after sunflowers. Every summer, Kansas fields are filled with thousands of sunflowers, making it a great place to see sunflowers.

2. "Sunflower Trail" in Toledo, Spain: Toledo is a famous cultural and historical city in Spain. There is a sunflower-themed trail in its urban area. There are sunflower flower fields along the way, which is very suitable for walking and Photograph.

3. "Sunflower Road" in Tuscany, Italy: Tuscany is one of the most beautiful regions in Italy. There are large sunflower fields in the countryside in the southern part of Tuscany, which is very suitable for tourists to come here to enjoy.

4. "Thousands of Sunflower Fields" in Toyama Prefecture, Japan: Toyama Prefecture is one of the famous sunflower-producing areas in Japan. The sunflower fields in the Koganecho area attract a large number of tourists every summer.

5. "Sunflower Flower Sea" in southern France: The Provence region in southern France is famous for its beautiful natural landscapes, among which the sunflower flower sea attracts many tourists.

In short, there are beautiful sunflower spots all over the world, and it is an excellent place to watch sunflowers.

Sunflowers are often considered a flower that symbolizes loyalty and sincerity. This is because sunflowers always face the sun during their growth, showing their dedication and love for the sun and life.

Overall, sunflowers have become one of the most popular plants in the world.