What does Anselm kiefer use to create his art work?

Anselm Kiefer employs a diverse array of materials and techniques in his artwork, often incorporating found objects, natural materials like straw and ashes, and heavy textures through the use of paint and mixed media. His works frequently feature layers of paint and materials that evoke themes of history, mythology, and memory. Kiefer's use of unconventional materials reflects his interest in the passage of time and the remnants of the past. Overall, his approach creates a tactile, immersive experience that invites deep contemplation.