Complex sentence: A number of Andrade's photographs were published alongside the column, showing the landscape and people and, occasionally, Andrade himself, usually filtered "through" the landscape, as in the self-portrait-as-shadow on this page.
Split into simpler sentences: A number of Andrade's photographs were published alongside the column, showing the landscape and people. Occasionally, Andrade himself would appear in them, usually filtered "through" the landscape, as in the self-portrait-as-shadow on this page.