We're asked this question quite frequently, and yes, Photoshop can enhance an existing photograph to an amazing degree, especially in the hands of a skilled graphic designer.
Hezwi I tshi gidima ina zwine zwa I ṱalusa zwi mangadzaho, mutshila wo imiselwa nnṱha, I tshi khou vhonadza nga fhasi hayo hu tshena.