A few months after Mr.Seub death, UNESCO inscribed the Thung Yai- Huai Kha Khaeng Wildlife Sanctuaries on the World Heritage List. Finally, his lifelong dream had come true, but at the expense of his own life.
April 26, 1993, HRH Princess Sirindhorn presided at the opening of Seub Nakhasathien Memorial at the Huai Kha Khaeng Wildlife Sanctuary
“I sympathize those who have no chances in the society; they are pressured and taken advantage of in every way. Thailand will be much better if those lucky ones would sacrifice some opportunities, so that the unfortunate souls could be saved. I would like to see better society”. Seub Nakhasathien.