Imagine you are developing an online photo-storing service. The users can organize the photos into albums, and label the photos with any number of tags.
This is an excerpt from the Photos table in the database (there is also an Users table in the db, but nothing else):

    +-------------+----------------------------------+--------------------+----------+------------+---------------------------+
    | photo_name  |     photo_desc   |   album_name  |    album_desc      |  user    | raw_photo  |           tags            |
    +-------------+------------------+---------------+--------------------+----------+------------+---------------------------+
    | Mt. Everest | Me on the high…  | Summer 2017   | My travels around… | jdoe     | 01001010…  | travels, mountain, summer |
    | New York    | Brooklyn bridge… | Summer 2017   | My travels around… | jdoe     | 01101101…  | travels, summer, city     |
    | Resting Owl | So cute!         | Zoo           | Zoo Prague         | foobar17 | 1101011…   | animals, birds, summer    |
    | Wild fox    | Sleeping predat… | Zoo           | Zoo Prague         | foobar17 | 0001100…   | animals, predators        |
    | Desert      | NULL             | Summer 2017   | It was quite hot   | foobar17 | 0101011…   | sumer, africa, desert     |
    +-------------+------------------+---------------+--------------------+----------+------------+---------------------------+


Can you identify some issues caused byt this design and suggest solutions?