Space architecture of space and a space transportation infrastructure can be accelerated. Virgin Galactic has indicated plans for an orbital craft, SpaceShipThree. The demand for space tourism is one without bound. It is not difficult to imagine lunar parks or cruises by Venus. Another impetus to become a spacefaring species is planetary defense. The classic space mission is the Earth-colliding asteroid interception mission. Using nuclear detonations to split or deflect the asteroid is risky at best. Such a tactic could actually make the problem worse by increasing the amount of asteroid fragments that do end up hitting the Earth. Robert Zubrin writes:
Sanctuary of the Virgin of Taburnus tourism draw of Bucciano, attracting Marian devotees from the surroundings. The main pilgrimage to the sanctuary is held on Divine Mercy Sunday. Due to the popularity of the sanctuary Pope Sixtus V allowed women to enter the sanctuary four times a year. To the sanctuary, and to the Virgin Mary effigies it holds, several prodigies are attributed. A group of deaf people from the region visits the sanctuary annually. Sanctuary of the Virgin of Taburnus The Sanctuary of the Virgin of Taburnus ("Italian": Santuario della Madonna del Taburno), also known as Sanctuary of Saint Mary of Mount Taburno ("Italian": Santuario