Question: Coverage of which international situation from 2015 earned the Pulitzer prize for the photojournalist Sergey Ponomarev?
Sentence (from "European migrant crisis"): The European migrant crisis, or the European refugee crisis, is a term given to a period beginning in 2015 when rising numbers of people arrived in the European Union (EU), travelling across the Mediterranean Sea or overland through Southeast Europe.
Relevant evidence: Yes