Guangzhou–Huizhou Expressway
S21 Guanghui Expressway (simplified Chinese: 广惠高速公路; traditional Chinese: 廣惠高速公路; pinyin: Guǎnghuì Gāosùgōnglù) connects the cities of Guangzhou and Huizhou in the Chinese province of Guangdong.
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Wikipedia
S21 Guanghui Expressway (simplified Chinese: 广惠高速公路; traditional Chinese: 廣惠高速公路; pinyin: Guǎnghuì Gāosùgōnglù) connects the cities of Guangzhou and Huizhou in the Chinese province of Guangdong.