Glass sculpture.

Etched rocks, glass
Close-up of a glass surface with water or condensation on it, with some textured patterns and reflections. The surface appears to be part of a glass sheet or panel.
A clear rectangular ice cube tray partially filled with water, resting on a dark, scratched wooden surface, with a background of a stained and worn wooden wall.
Close-up of a textured, grayish, rectangular stone or concrete block with water stains, sitting on a dark, weathered wooden surface.
Close-up image of several sample tiles with different textures and patterns, placed on a wooden surface.
A small piece of translucent, frosted glass with a textured surface, leaning against a worn, dark wooden surface. The background includes a windowsill and a window with buildings outside.
A hand holding a transparent, textured glass sheet with a frosted map of the world, slightly angled and casting shadows on a white background.
Close-up of a sheet of frosted or textured glass with intricate patterns, placed in front of a window with a view of trees and a pale blue sky.