Auckland Is the World's ‘Spongiest’ City Auckland Is the World's ‘Spongiest’ City The World Economic Forum Source: https://news.google.com/rss/articles/CBMieEFVX3lxTFBPZzlqcWZfd1o3TXVKVlNFVGpoWXZpM0k5NXYteU5OSWJtT2lnYkpuUWswcUZ4SkpvS1loNk9TcFpBQ0xLVmJ3Q20xVWNEdjZZdVBQTWJITVpMLVhjTGs3NTJpMGdBbnpGa0FTSlhpX2NvT3JrblppNw?oc=5