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Laeborari ea rona ea libaesekopo le livideo e ka tsamaisoa kapa ea jarolloa ke litho feela

Tsoela pele ho shebella MAHALA ➞

Ho nka tlase ho motsotso o le 1 ho saena ebe o ka natefeloa ke lifilimi le lihlooho tsa TV tse se nang moeli.

00:00:00 / 00:24:00

Freshwater World 1974 Phihlelo ea mahala ea mahala

Freshwater World 1974 Phihlelo ea mahala ea mahala

This documentary explores a variety of projects undertaken by scientists at Environment Canada's Freshwater Institute in Winnipeg to study the processes that pollute or disrupt clean and balanced freshwater environments.

Nako ea nako: 24 metsotso

Boleng: HD

Lokolla: Jan 01, 1974

Naha: Canada

Puo: English

Lentsoe la sehlooho :
Phallela lifilimi le mananeo a seea-le-moea mahala.