1. Telegraph lines were extended into the Amazonian jungles by Candido Rondon. 2. A skilled engineer is required for the job. 3. Candido Rondon's maps are used by people to this day. 4. Many rivers along the way were discovered by them.
1. Telegraph lines were extended into the Amazonian jungles by Candido Rondon. 2. A skilled engineer is required for the job. 3. Candido Rondon's maps are used by people to this day. 4. Many rivers along the way were discovered by them.