Whenever I listen to an artist or an art historian I'm struck by how much they and how much they --and how much I don't. Good art writing should therefore do at least two things. It should teach us how to look: at art, architecture, sculpture, photog...
Writers are the custodians of memory...
As a writer you must keep a tight rein on your subjective self—the traveler touched by new sights and sounds and smells—and keep an objective eye on the reader.
The reader is someone with an attention span of about 30 seconds.
Don’t try to visualize the great mass audience. There is no such audience—every reader is a different person.
Write about small, self-contained incidents that are still vivid in your memory. If you remember them, it's because they contain a larger truth that your readers will recognize in their own lives. Think small and you'll wind up finding the big themes...
I almost always urge people to write in the first person. Writing is an act of ego and you might as well admit it.