Oak is the general name of the oak family. Oak trees have been used as fuel wood since ancient times. "Song Dynasty Illustrated Book of Materia Medica" records: Larger branches can be used as house materials, while smaller branches can be used as firewood. The "Compendium of Materia Medica" of the Ming Dynasty also recorded that "the wood is solid and heavy, the larger ones can be used as pillars, and the smaller ones can be used as firewood". my country is one of the earliest ancient civilizations. It has had the habit of cooked food since the discovery of fire. Wood is the earliest bioenergy used by humans. Human beings have always attached great importance to the utilization and production of firewood. Because oak trees (such as cork oak, oak oak, oak oak, etc.) have strong tillering properties and high heat content, there is a record of "analyzing oak fuel" in the Book of Songs. It has always been the best energy fuel material in my country.

? Deciduous or evergreen trees, 25 to 30 meters or more high. The bark is dark gray-brown, slightly smooth. Branchlets brown, hairless. Yanzi Mountain is located in a rural village in Toutuo Town, Yuexi County, Anqing City, Anhui Province. Its name has a long history. According to a 92-year-old old man in the village, he heard his grandfather say the name "Yanzi Mountain" to his grandfather's grandfather. That’s what it’s called.

? And this oak tree is so thick, its branches are often cut down to burn charcoal. It is very durable for heating in winter, and the charcoal can be sold at a good price, and a whole village can survive on it. There is an oval fruit on the oak tree, which can be used to make acorn tofu. Its color is gray, very much like the color of tree bark. It is soft and delicate when fresh. When dried and fried, it tastes like pig skin and is difficult to chew. , with a special taste of grass, very delicious, my favorite.

? If you friends come to the Dabie Mountains and want to eat local specialties, you can come to me! !