Two Russian-built hovercrafts , capable of carrying up to 50 tons each , will begin ferrying passengers and cargo up and down the huge river from its mouth at Belem by the end of the year , Brazil 's Amazon Affairs Department said in a statement .
<response> Two <misc>Russian-built</misc> hovercrafts , capable of carrying up to 50 tons each , will begin ferrying passengers and cargo up and down the huge river from its mouth at <location>Belem</location> by the end of the year , <location>Brazil</location> 's <organization>Amazon Affairs Department</organization> said in a statement . </response>