Requested patent by: Francisco Sales Dias Horta Belo Horizonte - MG - Brasil Tel: (55 0xx31)3292-6321 / (55 0xx31)3291-8551 This project aims for airships (also known as 'dirigibles') to be operated at low altitudes, while fastened to parallel rails on top of towers. Browse through this site and discover the advantages of “Projeto Horizonte”. Visit our site and  if  you  are interested in this project, have any doubts or suggestions,  please contact us at: fhorta@projetohorizonte.com.br Versão em Português By Otilia/Raquel