“This is one time where I fear my artistic skills cannot begin express the wonder of the sight before. I was approaching Cloudsdale….
 
Great sweeping arcs of sculpted structural clouds swirled and spiraled throughout the city. Pillars of virga formed gossamer bridges and ethereal columns that linked great sections of the city together. Powerful Stay-There totems assured that Cloudsdale remained anchored to its location in Equestria. In fact some of the clouds that made up the great city have existed for more than three hundred years.”
 
As always, story at source.