Based on the context and the answer, generate a question. 

Context: So I just got back from a ten week internship in Sierra Leone . It 's weird being back in the States . Right now I have a couple weeks before school starts , and I ' m staying at a friend 's apartment in Cambridge . All of my friends ( and just about all of my classmates ) are on vacation right now , so I ' m all alone .

Answer:

They were in Africa .



Where was the narrator traveling recently ?