www.crystalfountains.com Crystal and international artist Jaume Plensa, worked together again on the "World Voices" water sculpture at the Burj Khalifa Tower in Dubai, having previously worked on the iconic Crown Fountain in Chicago, U.S.A. Located in the exclusive residential entrance lobby of the world's tallest building, the artist envisioned an installation expressive of the "diversity of our global society and a celebration of life."