Shoppers look at mandarin trees in Haikou on January 23, 2019.

Locals check out mandarin trees with their children in Haikou on January 23, 2019.

Haikou residents try mandarin trees of different types on January 23, 2019.

More and more people are starting to shop for the Spring Festival. People in Haikou buy mandarin trees to decorate their house for good luck. (Photos: VCG)