They only wanted to be left alone to complete their project.
The total cost to complete the project was $96 million.
Sometimes children don't have enough time to complete a project in a center.
It took him five and a half weeks to complete the project.
It's taken just two years to complete the £60 million project.
They expect to complete the project in late summer and to buy another house for themselves.
"All we need is the $20 million it might cost to complete the project."
The company said it was too early to say how far he had gone with his research and whether someone else could complete the project.
In all, it took about 3,000 hours of work over two years to complete the project.
It took a total of 25 months to complete the project.