> In this plan the generation ship is not a fragile craft but a Cultivated World (a moving cavern planet) carrying people, oceans and forests between the stars, with the patience of ice and the endurance of stone.
Cultivated World> In this plan the generation ship is not a fragile craft but a Cultivated World (a moving cavern planet) carrying people, oceans and forests between the stars, with the patience of ice and the endurance of stone.