1549
The chronicler has heard about this phenomenon from compatriots returning from Greenland , and he gives three possible explanations : that the ocean was surrounded by vast fires ; that the sun flares could reach around the world to its night side ; or that glaciers could store energy so that they eventually became fluorescent .
 location: Greenland
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 location: Greenland