In the article by Zhang et al. (Reference Zhang, Pollard, Rawson, Huan, Liu and Tang2019), Figure 2 was incorrect and did not match the caption. The correct Figure 2 with matching caption is given below.

Figure 2. Distribution of major regions and sites mentioned, with the Arc shown as the shaded area: 1) Liangzhu; 2) Qianshanyang; 3) Guangfulin; 4) Haochuan; 5) Qujialing; 6) Shijiahe; 7) Baodun; 8) Sanxingdui; 9) Chengziya; 10) Yaowangcheng; 11) Liangchengzhen; 12) Shimao; 13) Yunbaoshan; 14) Xichengyi; 15) Taosi; 16) Zhoujiazhuang; 17) Wangchenggang; 18) Xinzhai; 19) Guchengzhai; 20) Erlitou; 21) Zhengzhou; 22) Anyang (figure by Limin Huan).