![School children play in front of a whale carcass on Wattamolla Beach in the Royal National Park south of Sydney on September 24, 2018 in Sydney, Australia. The carcass is believed to be a rare Sei whale. (Photo/Agencies)](http://www.ecns.cn/hd/2018/09/25/3014169b497a4a638f56e080b612d71b.jpg)
School children play in front of a whale carcass on Wattamolla Beach in the Royal National Park south of Sydney on September 24, 2018 in Sydney, Australia. The carcass is believed to be a rare Sei whale. (Photo/Agencies)
![A whale carcass is seen on Wattamolla Beach in the Royal National Park south of Sydney on September 24, 2018 in Sydney, Australia. The carcass is believed to be a rare Sei whale. (Photo/Agencies)](http://www.ecns.cn/hd/2018/09/25/9e72f972e6124a81bfff46b52c932fe6.jpg)
A whale carcass is seen on Wattamolla Beach in the Royal National Park south of Sydney on September 24, 2018 in Sydney, Australia. The carcass is believed to be a rare Sei whale. (Photo/Agencies)
![Men look on and photograph a whale carcass on Wattamolla Beach in the Royal National Park south of Sydney on September 24, 2018 in Sydney, Australia. The carcass is believed to be a rare Sei whale. (Photo/Agencies)](http://www.ecns.cn/hd/2018/09/25/50ef92cd6b63411f8c4bb079faf426a0.jpg)
Men look on and photograph a whale carcass on Wattamolla Beach in the Royal National Park south of Sydney on September 24, 2018 in Sydney, Australia. The carcass is believed to be a rare Sei whale. (Photo/Agencies)