They sheltered in huts and manufactured tools around campfires. Often, however, they use portable stoves for cooking instead of campfires. Campfires are a popular feature of camping. Recreational activities include swimming, hiking, fishing, campfires, sing-alongs, etc. It can be prepared in ovens, outdoor grills and smokers, and campfires. They hunkered over campfires and ate scorched meat. Restrictions on campfires and smoking in the forest are common during peak fire season. Usually under the name "Jimmy Crack Corn", it remains common at campfires and summer camps. An easier method of coloring campfires has been fueled by commercial products. The British continued advancing toward the American campfires in silence. "Princess Pat" is a 1917 North American song, popular to sing at campfires. Save points and fast travel can be accessed by interacting with campfires, once discovered. The heat of campfires may damage tree-root systems.