![An archaeologist cleans a wooden mask of the Mochica culture at Chan Chan archeological complex in Trujillo, Peru, Oct. 22, 2018. Archeologists in Peru have found 20 800-year-old wooden statues in the largest pre-Columbian site in the Americas, Culture Minister, Patricia Balbuena and researchers revealed on Monday. (Photo/Agencies)](http://www.ecns.cn/hd/2018/10/23/cf9c155ff99d40ea8c1723456262da28.jpg)
An archaeologist cleans a wooden mask of the Mochica culture at Chan Chan archeological complex in Trujillo, Peru, Oct. 22, 2018. Archeologists in Peru have found 20 800-year-old wooden statues in the largest pre-Columbian site in the Americas, Culture Minister, Patricia Balbuena and researchers revealed on Monday. (Photo/Agencies)
![A detail of a Mochica culture mural is seen at the Chan Chan archeological complex in Trujillo, Peru, Oct. 22, 2018. Archeologists in Peru have found 20 800-year-old wooden statues in the largest pre-Columbian site in the Americas, Culture Minister, Patricia Balbuena and researchers revealed on Monday. (Photo/Agencies)](http://www.ecns.cn/hd/2018/10/23/3c7f1305f1f9401aa791cd471e8480b8.jpg)
A detail of a Mochica culture mural is seen at the Chan Chan archeological complex in Trujillo, Peru, Oct. 22, 2018. Archeologists in Peru have found 20 800-year-old wooden statues in the largest pre-Columbian site in the Americas, Culture Minister, Patricia Balbuena and researchers revealed on Monday. (Photo/Agencies)
![An archaeologist cleans a mural of the Mochica culture at Chan Chan archeological complex in Trujillo, Peru, Oct. 22, 2018. Archeologists in Peru have found 20 800-year-old wooden statues in the largest pre-Columbian site in the Americas, Culture Minister, Patricia Balbuena and researchers revealed on Monday. (Photo/Agencies)](http://www.ecns.cn/hd/2018/10/23/6e66637253d443cf9df6b93f243171ec.jpg)
An archaeologist cleans a mural of the Mochica culture at Chan Chan archeological complex in Trujillo, Peru, Oct. 22, 2018. Archeologists in Peru have found 20 800-year-old wooden statues in the largest pre-Columbian site in the Americas, Culture Minister, Patricia Balbuena and researchers revealed on Monday. (Photo/Agencies)
![An archaeologist cleans a mural of the Mochica culture at Chan Chan archeological complex in Trujillo, Peru, Oct. 22, 2018. Archeologists in Peru have found 20 800-year-old wooden statues in the largest pre-Columbian site in the Americas, Culture Minister, Patricia Balbuena and researchers revealed on Monday. (Photo/Agencies)](http://www.ecns.cn/hd/2018/10/23/7164356ee3cd4a72be4b4127144bc7ec.jpg)
An archaeologist cleans a mural of the Mochica culture at Chan Chan archeological complex in Trujillo, Peru, Oct. 22, 2018. Archeologists in Peru have found 20 800-year-old wooden statues in the largest pre-Columbian site in the Americas, Culture Minister, Patricia Balbuena and researchers revealed on Monday. (Photo/Agencies)
![Archaeologists clean wooden masks of the Mochica culture at Chan Chan archeological complex in Trujillo, Peru, Oct. 22, 2018. Archeologists in Peru have found 20 800-year-old wooden statues in the largest pre-Columbian site in the Americas, Culture Minister, Patricia Balbuena and researchers revealed on Monday. (Photo/Agencies)](http://www.ecns.cn/hd/2018/10/23/f3013df1f8cd4663b2c1568d1fec306c.jpg)
Archaeologists clean wooden masks of the Mochica culture at Chan Chan archeological complex in Trujillo, Peru, Oct. 22, 2018. Archeologists in Peru have found 20 800-year-old wooden statues in the largest pre-Columbian site in the Americas, Culture Minister, Patricia Balbuena and researchers revealed on Monday. (Photo/Agencies)
![An archaeologist cleans a mural of the Mochica culture at Chan Chan archeological complex in Trujillo, Peru, Oct. 22, 2018. Archeologists in Peru have found 20 800-year-old wooden statues in the largest pre-Columbian site in the Americas, Culture Minister, Patricia Balbuena and researchers revealed on Monday. (Photo/Agencies)](http://www.ecns.cn/hd/2018/10/23/403bde0bd14f4877bb4be97e83d2d9bb.jpg)
An archaeologist cleans a mural of the Mochica culture at Chan Chan archeological complex in Trujillo, Peru, Oct. 22, 2018. Archeologists in Peru have found 20 800-year-old wooden statues in the largest pre-Columbian site in the Americas, Culture Minister, Patricia Balbuena and researchers revealed on Monday. (Photo/Agencies)
![Archaeologists work on a mural of the Mochica culture at Chan Chan archeological complex in Trujillo, Peru, Oct. 22, 2018. Archeologists in Peru have found 20 800-year-old wooden statues in the largest pre-Columbian site in the Americas, Culture Minister, Patricia Balbuena and researchers revealed on Monday. (Photo/Agencies)](http://www.ecns.cn/hd/2018/10/23/3ed1e592056d44ae9dc4ab7fc2ec0d77.jpg)
Archaeologists work on a mural of the Mochica culture at Chan Chan archeological complex in Trujillo, Peru, Oct. 22, 2018. Archeologists in Peru have found 20 800-year-old wooden statues in the largest pre-Columbian site in the Americas, Culture Minister, Patricia Balbuena and researchers revealed on Monday. (Photo/Agencies)
![An archaeologist cleans a mural of the Mochica culture at Chan Chan archeological complex in Trujillo, Peru, Oct. 22, 2018. Archeologists in Peru have found 20 800-year-old wooden statues in the largest pre-Columbian site in the Americas, Culture Minister, Patricia Balbuena and researchers revealed on Monday. (Photo/Agencies)](http://www.ecns.cn/hd/2018/10/23/53e841bd67ae45f9be4c460617d288e3.jpg)
An archaeologist cleans a mural of the Mochica culture at Chan Chan archeological complex in Trujillo, Peru, Oct. 22, 2018. Archeologists in Peru have found 20 800-year-old wooden statues in the largest pre-Columbian site in the Americas, Culture Minister, Patricia Balbuena and researchers revealed on Monday. (Photo/Agencies)
![Archaeologists work on a mural of the Mochica culture at Chan Chan archeological complex in Trujillo, Peru, Oct. 22, 2018. Archeologists in Peru have found 20 800-year-old wooden statues in the largest pre-Columbian site in the Americas, Culture Minister, Patricia Balbuena and researchers revealed on Monday. (Photo/Agencies)](http://www.ecns.cn/hd/2018/10/23/cb7296c4ad554c9ba01e3cca686c4c4c.jpg)
Archaeologists work on a mural of the Mochica culture at Chan Chan archeological complex in Trujillo, Peru, Oct. 22, 2018. Archeologists in Peru have found 20 800-year-old wooden statues in the largest pre-Columbian site in the Americas, Culture Minister, Patricia Balbuena and researchers revealed on Monday. (Photo/Agencies)
![Archaeologists work on a mural of the Mochica culture at Chan Chan archeological complex in Trujillo, Peru, Oct. 22, 2018. Archeologists in Peru have found 20 800-year-old wooden statues in the largest pre-Columbian site in the Americas, Culture Minister, Patricia Balbuena and researchers revealed on Monday. (Photo/Agencies)](http://www.ecns.cn/hd/2018/10/23/ce083779a8764252a5c705fd5f653e4d.jpg)
Archaeologists work on a mural of the Mochica culture at Chan Chan archeological complex in Trujillo, Peru, Oct. 22, 2018. Archeologists in Peru have found 20 800-year-old wooden statues in the largest pre-Columbian site in the Americas, Culture Minister, Patricia Balbuena and researchers revealed on Monday. (Photo/Agencies)