http://cn.engadget.com/2008/04/23/virtual-wall-concept-protects-pedestrians-livens-up-crosswalks/ Engadget 中国版 Comments for 瘾设计：保护行人的虚拟墙 http://cn.engadget.com/media/feedlogo.gif http://cn.engadget.com en-us Copyright 2009 Weblogs, Inc. The contents of this feed are available for non-commercial use only. Blogsmith http://www.blogsmith.com/http://cn.engadget.com/2008/04/23/virtual-wall-concept-protects-pedestrians-livens-up-crosswalks/http://cn.engadget.com/2008/04/23/virtual-wall-concept-protects-pedestrians-livens-up-crosswalks/Apr 23rd 2008 10:25PMhttp://cn.engadget.com/2008/04/23/virtual-wall-concept-protects-pedestrians-livens-up-crosswalks/http://cn.engadget.com/2008/04/23/virtual-wall-concept-protects-pedestrians-livens-up-crosswalks/Apr 23rd 2008 10:29PMhttp://cn.engadget.com/2008/04/23/virtual-wall-concept-protects-pedestrians-livens-up-crosswalks/http://cn.engadget.com/2008/04/23/virtual-wall-concept-protects-pedestrians-livens-up-crosswalks/Apr 24th 2008 12:22AMhttp://cn.engadget.com/2008/04/23/virtual-wall-concept-protects-pedestrians-livens-up-crosswalks/http://cn.engadget.com/2008/04/23/virtual-wall-concept-protects-pedestrians-livens-up-crosswalks/Apr 24th 2008 12:41AMhttp://cn.engadget.com/2008/04/23/virtual-wall-concept-protects-pedestrians-livens-up-crosswalks/http://cn.engadget.com/2008/04/23/virtual-wall-concept-protects-pedestrians-livens-up-crosswalks/Apr 24th 2008 1:30AMhttp://cn.engadget.com/2008/04/23/virtual-wall-concept-protects-pedestrians-livens-up-crosswalks/http://cn.engadget.com/2008/04/23/virtual-wall-concept-protects-pedestrians-livens-up-crosswalks/Apr 24th 2008 4:24AMhttp://cn.engadget.com/2008/04/23/virtual-wall-concept-protects-pedestrians-livens-up-crosswalks/http://cn.engadget.com/2008/04/23/virtual-wall-concept-protects-pedestrians-livens-up-crosswalks/Apr 24th 2008 2:08PM