Thai kings considered this a "royal tree" under strict protection
The 
Thai King has been considered the most unifying symbol for a country that has... [DOC] [TLE] Full text of "Veliki Preslav ~ Medieval Capital of Bulgaria" [PAR] It was here under the care and supervision of Prince Simeon that the city of Veliki 
Preslav ... accepted the title of Tsar (king) and was also called Veliki (The Great).