Vietnam khawpui a tlahniam zel

Vietnam ram khawpui, Ho Chi Minh City chu a tlahniam zel niin research report chuan a tarlang. Khawpui chhunga district pariat chu kum khat chhungin 5-10mm velin a tlahniam niin, Vietnamese Ministry of Natural Resources and Envirnment leh Ho Chi Minh City University of Technology chuan an tarlang. Kum 25 kalta chhung khan khawpui hi meter 0.4 zetin a lo tla­hnian tawh a ni. Hei hi ngaihven a nih thuai loh chuan hmun ṭhenkhat chu tuipuiin a chim thei mai dawn niin, Associate Professor Le Van Trung chuan a sawi bawk.