Long,longagopeoplemadefiresfromlightening(閃電).Butthe...
問題詳情： Long,longagopeoplemadefiresfromlightening(閃電).Buttheyhadtokeepthefireburning,fortheycouldn'tstartitagainiftherewasnolightening.Later,theyfoundouthittingtwopiecesofstonetogethercouldma...