Siriporn Niamrin stumbled upon the unusual mass in Nakhon Si Thammarat province, Thailand and decided she would drag it back to her home half a kilometre away before realising it was valuable ambergrisSiriporn Niamrin stumbled upon the unusual mass in Nakhon Si Thammarat province, Thailand and decided she would drag it back to her home half a kilometre away before realising it was valuable ambergris