Tomorrow Today - Questionnaire - 08.12.2008To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoKarlotta Bahnsen12/08/2008December 8, 2008Questionnaire: Fernando Urzúa Gutiérrez from Texcoco, Mexico How does radar work?https://p.dw.com/p/GBZiAdvertisement