Photo taken on May 26, 2016 shows confiscated ivory during a press conference of ivory smuggling from Nigeria at Soekarno-Hatta International Airport, Jakarta, Indonesia. As many as 377 pieces of ivory that hidden in suitcases were successfully seized by a team of Soekarno-Hatta International Airport Customs and Excise in Jakarta on May 21 from flight EY474. (Xinhua/Veri Sanovri)

An officer shows confiscated ivory during a press conference of ivory smuggling from Nigeria at Soekarno-Hatta International Airport, Jakarta, Indonesia, May 26, 2016. As many as 377 pieces of ivory that hidden in suitcases were successfully seized by a team of Soekarno-Hatta International Airport Customs and Excise in Jakarta on May 21 from flight EY474. (Xinhua/Veri Sanovri)

An officer shows confiscated ivory during a press conference of ivory smuggling from Nigeria at Soekarno-Hatta International Airport, Jakarta, Indonesia, May 26, 2016. As many as 377 pieces of ivory that hidden in suitcases were successfully seized by a team of Soekarno-Hatta International Airport Customs and Excise in Jakarta on May 21 from flight EY474. (Xinhua/Veri Sanovri)