The sound of firewood helps you relax, focus on studying and working, in addition, the sound of burning firewood helps the body to regulate, easy to sleep soundly and comfortably after waking up.
Please turn on this sound when working, studying, it will be very effective.
Video from channel https://www.youtube.com/channel/UCm2cI_MjIRW2glGgJ18CttA
Image from Thoidaiplus mag: http://thoidaiplus.vn/doc-dao-phong-tuc-nhay-lua-cua-nguoi-dao-o-ha-giang-d219460.html
Enjoy your time!