Ni 06/06/2023 khan remchan zawkna avangin NSS Unit, Tuisualral Higher Secondary School, Sakawrdai chuan 'World Environment Day' an hmang. He hunah hian an Principal Sir H.P Lalhnunliana chuan environment chhe mek siam that pawimawh zia sawiin, volunteers te'n environment venhim pawimawh zia thu ziak an pho chhuak bawk.