66440
In some areas such as Snowdon , Wales , environmental authorities have warned that the frequent scattering of ashes can change the nature of the soil , and may affect the ecology .
 Snowdon, Wales
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Snowdon, Wales