A dog shows balance skill during the Pet Expo Thailand 2020 at Bangkok International Trade and Exhibition Center (BITEC) in Bangkok, Thailand, Sept. 3 2020. The four-day Pet Expo Thailand 2020 will last till Sept. 6. (Xinhua/Rachen Sageamsak)

A woman holds a ball python during the Pet Expo Thailand 2020 at Bangkok International Trade and Exhibition Center (BITEC) in Bangkok, Thailand, Sept. 3 2020. The four-day Pet Expo Thailand 2020 will last till Sept. 6. (Xinhua/Rachen Sageamsak)

A dog shows balance skill during the Pet Expo Thailand 2020 at Bangkok International Trade and Exhibition Center (BITEC) in Bangkok, Thailand, Sept. 3 2020. The four-day Pet Expo Thailand 2020 will last till Sept. 6. (Xinhua/Rachen Sageamsak)