Question like >> i don't know that i could. i still can't. it's just that it's magic. >> reporter: paul wants to fully restore the garden to how louise had it, with pools she set and factory building footprints and a mosaic terrace recently discovered under the dirt. >> there is about a foot of compost from everything growing and dying and that was gently broomed off. a couple of rains later, pegasus showed up. >> reporter: paul orpello figures it will cost about $30 million to finish the job but he is not focused on the money. he's focused on the message. >> it's such a great story of resilie...