YELLOW UMBRELLAS | Umbrella art, Umbrella, Installation art
Christo's Umbrellas - YouTube
Christo and Jeanne-Claude, The Umbrellas Japan-USA (Hand Signed) from the private collection of Jeanne-Claude's former assistant, 1991 - Alpha 137 Gallery
Christo | The Umbrellas (Joint project for Japan and USA) (1989) | MutualArt