This is the 5833rd most frequent Russian word.
размещенных
"Placed" or "allocated."
The word 'размещенных' is used as a past participle of the verb 'разместить,' and it describes the plural photographs that have been positioned or placed on the stand.
Фотографии, размещенных на стенде, привлекли внимание.
The photographs displayed on the stand attracted attention.
In this sentence, 'размещенных' is used to describe the plural noun 'records,' indicating that they have been stored in a location, the archive.
Записи, размещенных в архиве, оказались весьма интересными.
The records stored in the archive turned out to be very interesting.
Here, 'размещенных' modifies the plural noun 'lists,' suggesting that they are uploaded or made available on the site.