Picture Gallery
Art Gallery
noun
An image corridor is a corridor in which there are images hanging on the wall. This is a picture gallery.
Note that 画廊 generally refers to a physical art gallery, where artworks are exhibited for in-person viewing.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
彼女は自分の画廊を開いた。
She opened her own picture gallery.