The village of Cuellar is seen through a shooting hole on the wall connected with the Castle of Cuellar, in Segovia, Spain, Aug. 7, 2018. (Xinhua/Guo Qiuda)

This picture shows the Castle of Cuellar, in Segovia, Spain, Aug. 7, 2018. (Xinhua/Guo Qiuda)

Tourists visit the Castle of Cuellar, in Segovia, Spain, Aug. 7, 2018. (Xinhua/Guo Qiuda)

People sit and chat in front of the Castle of Cuellar, in Segovia, Spain, Aug. 6, 2018. (Xinhua/Guo Qiuda)

A tourist visits the Castle of Cuellar, in Segovia, Spain, Aug. 7, 2018. (Xinhua/Guo Qiuda)

A meteor flies across the sky above the wall of the Castle of Cuellar, in Segovia, Spain, Aug. 7, 2018. (Xinhua/Guo Qiuda)

A man tries a toy crossbow that he bought in the touristic shop in the Castle of Cuellar, in Segovia, Spain, Aug. 7, 2018. (Xinhua/Guo Qiuda)

Tourists take pictures in the Castle of Cuellar, in Segovia, Spain, Aug. 7, 2018. (Xinhua/Guo Qiuda)

Music fans practice traditional dancing for a festival in the Castle of Cuellar, in Segovia, Spain, Aug. 6, 2018. (Xinhua/Guo Qiuda)