Rain Gauge Design Competition (Activity organized by HKU Faculty of Engineering and the Hong Kong Observatory in 2006) http://www.cs.hku.hk/~rain/
You can find photos and videos in the sections "Schedule" and "Download".
Anemometer Design Competition (Activity organized by HKU Faculty of Engineering and the Hong Kong Observatory in 2008-2009) http://www.cs.hku.hk/~wind/
You can find photos and videos in the sections "Schedule" and "Download".