I suggest that you read the vocabulary list before watching the video ;-):
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VOCABULARY
TUSK => a very long, large tooth that sticks out of the mouth of an animal (such as an elephant, walrus, or boar)

TO GO UP IN SMOKE => to burn up completely
Image source
STOCKPILE => a large supply of something that is kept for future use

TO TORCH => to set fire to (something, such as a building) deliberately : to cause (something) to burn
TRADE => the activity or process of buying, selling, or exchanging goods or services
STUNT => something that is done to get attention or publicity
TO BAN => to forbid, to prohibit; to say that something cannot be used or done
TO POACH => to hunt or fish illegally