Life, The amazing Green Tunnel in Porto Alegre, Brazil by dak March 21, 2013, 9:20 am The amazing Green Tunnel in Porto Alegre, Brazil brazilcitiesPorto Alegre See more Previous article Ina Balke, Photo by Ted Russell, 1964. Next article Grid Waves What do you think? 0 points Upvote Downvote Total votes: 0 Upvotes: 0 Upvotes percentage: 0.000000% Downvotes: 0 Downvotes percentage: 0.000000% Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.