Franco Mazzocca, a young student of industrial engineering, uses his 3D printer to make hand and arm prostheses, within an international program that is helping thousands of children.

The initiative led by evangelicals was held simultaneously in 210 cities of the country. “People from very diverse ideological backgrounds came to pray here. What unites us is our love for Christ.”

Amish's total current population is about 308,000, and it doubles every 22 years. New settlements were created in Bolivia, Argentina and Canada last year.