Just a piece of stone.
Marble from Greek sculptor’s atelier in Athens 360 BC.

Just a piece of burned wood.
Oak from scribe’s desk in Pompeii after eruption of Vesuvius AD 79.

Just a piece of clay.
Ceramics from potter’s workshop in Caliphate of Córdoba, Andalucía AD 800.

Just a piece of rust.
Hand-made nail from medieval church of Tyrvää, Finland, 1506.

Just a piece of shell.
She who was born inside spread her wings and flew.