Kaluga cheeb tsam tau nkag mus rau sab saum toj kaum cheeb tsam ntawm Russia nyob rau hauv cov nqe lus ntawm sau qoob tsev cog zaub
Ib qho ntawm cov tsev cog khoom loj tshaj plaws rau kev cog qoob loo txhua xyoo yog nyob hauv cheeb tsam Lyudinovsky. Cov...