Examples of Interface WUI (IMAGE) The University of Hong Kong Caption Examples of Interface WUI (left; Birdsboro, Philadelphia) and Intermix WUI (right; Placerville, California). Data source from Google Earth imagery. Credit The University of Hong Kong Usage Restrictions N/A License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.