They used to bury rich hoards of precious objects both to hide them in times of enemy invasions and unrest as well as for ritual purposes. To date, more than 80 Thracian treasures have been excavated in Bulgaria, the cradle of the Thracian civilization.
They used to bury valuable possessions both to conceal them during times of war or upheaval, as well as for ceremonial purposes.  Over 80 Thracian treasures have been unearthed in Bulgaria, the birthplace of the Thracian civilization.