| Conferences You can see some photos or report from the conferences I have participated |
| UNESCO natural hazards on cultural sites (IGCP425) Jan. 2001, Tokyo, Japan SEE PHOTO |
| 3rd Asian Engineering Geology and the Environment Conference (Sep. 2001) Jogjakarta, Indonesia SEE PHOTO |
| International Symposium of Lowland Technology Sep. 2004, Bangkok, Thailand SEE PHOTO |