Av Reclamation Agency yog tsim nyob rau hauv cheeb tsam Kaliningrad
Thaum lub rooj sib tham ntawm tsoom fwv ntawm cheeb tsam Kaliningrad, cov teeb meem ntawm kev tsim cov koom haum rau nuv ntses thiab av reclamation, cov xov xwm kev pab cuam qhia ...