How much is the admission ticket for Guangzhou Zoo??

Is it only 20 if you buy the ticket on site?
The gate ticket purchased on site is 20 yuan.
The New Year’s Eve ticket at the entrance of Guangzhou Zoo is only 16 yuan. It’s such a scam!
20 pieces

The entrance fee is 20 yuan per adult, and children under 1.2 meters are free. But there are also many venues where you need to buy additional tickets or feeds, which cost 10 to 15 yuan.
Are senior citizens admitted to Guangzhou Zoo free of charge?
The gate ticket purchased on site is 20 yuan.
The New Year’s Eve ticket at the entrance of Guangzhou Zoo is only 16 yuan. It’s such a scam!
20 pieces

The entrance fee is 20 yuan per adult, and children under 1.2 meters are free. But there are also many venues where you need to buy additional tickets or feeds, which cost 10 to 15 yuan.
Are senior citizens admitted to Guangzhou Zoo free of charge?