the siberian tiger of aram zoo died due to old age. public relations manager of eram sabze bagh collection. aftab, who was kept in this zoo , was able to live 21 years with medical care and wildlife specialists. he added that the siberian tiger, one of the world's largest living predators , lives about 15 years in the wild and 20 years in captivity. and 70 volumes of environmental books were unveiled in a ceremony. these books are more about the indigenous knowledge of the environment in different regions of the country. god bless ali muhammad and the family of muhammad, the unveiling of books to protect the environment with the help of traditional and local knowledge, the use of chopper ash instead of tisa is a hidden treasure in people's hearts, in people's chests , fortunately, my colleagues were able to reveal this treasure . take out this discussion of native knowledge and flagging. in half of these 70 books, native knowledge of the environment the biographies of different provinces of the country have been written. the first volu