According to the Shenzhen border revealed through intelligence research, has been tracking the "snake-heads" for several days.
据深圳边检透露，他们通过情报调研，已跟踪该名“蛇头”多日。
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It is very important to exchange information about the cases of people smuggling and activities of snake-heads, including the route taken by smugglers and smuggling network, etc.
The other five heads — the dragon, snake, goat, rooster and dog — remain unaccounted for and were possibly destroyed. That makes the rabbit and the rat the last remaining pieces of the set.