2. It tells the reader which photographs are being discussed.
4.It creates a compound-complex sentence.
A compound-complex sentence brings both a compound sentence and a complex sentence forms together. In other words, it contains at least two independent clauses (like a compound sentence) and at least one dependent clause (like a complex sentence).
Moreover, the underlined clause is modifying the main noun of the sentence, so that it is adding information about the photographs.
To be roguish is to be up to no good, which could mean being untrustworthy like a criminal or playful and mischievous. If someone gives you a roguish smile, ...
