The Greek island has a long history of earthquakes, but what is causing the recent series of quakes has scientists perplexed.

See 12 of the week’s most interesting images from around the world, as selected by Washington Post photo editors.

By Lefteris Papadimas and Karolina Tagaris SANTORINI, Greece (Reuters) - Hundreds of small earthquakes that shook Greece's tourist hotspot of Santorini this week have revived concerns about the safety ...