@ KAIST, Apr 3th 2018
@ POSTECH, Feb 19th 2016
@ "Science Student Lounge (Dept. of Chemistry)", Mar 12th 2014
@ Mt. Juwang, Oct 20th 2012
@ Sokcho, Jun 29th 2012
@ Todaiji, Nara, Japan, Jan 10th 2012
@ POSTECH, Jul 21st 2011
@ Taean, Jul 3rd 2010