一盏小小的油灯，藏在砖洞洞里，灯焰如豆，却因为猫狗鸡羊碰不到，得以保全。
B-Metric I-Metric O O O B-Thing I-Thing O O O B-Location I-Location I-Location O O B-Thing I-Thing O B-Thing O O O O B-Thing I-Thing I-Thing I-Thing O O O O O O O O O