Image Ref: 08_09IJ7Q7814_140120
| Caption | Installation in an old subway entrance. According to a very controversial formula that is unacceptable from almost every Mathematics scientist, the third Monday of January is supposed to be the most depressing day of the year and it is called the Blue Monday. Athens, January 20, 2014 |
| Photographer | Angeliki Panagiotou |
| Uploaded | 20 January 2014 |
| Country | Greece |
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