Most emotional memories are the result of cued recall. A certain date may trigger an emotional memory such as in the anniversary of a loss. But also anything that is connected to your senses may be a cue that can ignite emotional recall. ... Holding onto certain possessions may be a way to activate the recall of emotion is an example
Explanation: psychologists say that memories are more firmly set in our brains when linked with places. Especially if those memories are tragic. So therefore, the places would live on because of the memories we have of the place.