First You Build A Cloud was created in 2007.
it is the cumulonimbous cloud
none! you cannot build any establishment on the cloud!
For me as an individual, it would that years to build a cloud. I would assume for someone with the knowledge it would take no more than 9 hours to build a cloud.
The Moon in the Cloud was created in 1968.
The Drifting Cloud was created in 1887.
Little Cloud was created in 2005.
Media Cloud was created in 2009.
The Magellanic Cloud was created in 1955.
Cloud Foundry was created in 2011.
The Purple Cloud was created in 1901.
Cloud Connected was created in 2002.
Cloud Dance was created in 1976.