7594
Artifacts , including a bracelet , excavated in the cave at the same level were carbon dated to around 40,000 BP. As DNA had survived in the fossil fragment due to the cool climate of the Denisova Cave , both mtDNA and nuclear DNA were sequenced .
 Denisova Cave
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Denisova Cave