"It's our final promise and our final mission," Vladimir Yavachev shared with the #CityLab2022 attendees in Amsterdam, providing details on Christo and Jeanne-Claude's largest project, The Mastaba. Christo's nephew has worked with the artists for over three decades and most recently directed L'Arc de Triomphe, Wrapped. --- Images: 1. The Mastaba, Drawing 2014 (Detail); 2. The Mastaba, Drawing 2013 (Detail): 3. Christo and Jeanne-Claude looking for a possible site for The Mastaba, UAE, Feb. 1979 (Photo: Wolfgang Volz @wolfgangvolz) #Christo #ChristoJeanneClaude #ChristoandJeanneClaude #TheMastaba @bloombergdotorg