Use a hammer drill, a masonry bit and sleeve anchors, or hang from a picture rail fixed at the ceiling so the wall itself is never drilled.
What art suits a concrete wall?
Graphic or architectural compositions on a clean light ground. One warm accent such as rust, ochre or terracotta keeps the room from feeling cold.
How the ranking works
Every print was measured, not tagged: its colors were clustered in CIE Lab space and compared with the wall using CIEDE2000, the color-difference formula print shops use. Each bundle gets three scores. Presence: does the print stand out from this wall at a glance. Harmony: do its accent hues complement or echo the wall. Undertone: do warm and cool undertones agree. The overall match weights them 40, 35 and 25.