The photo, taken on June 5, shows a subway train passing through sound barriers along the Zhongxin Square Station-Shangshuangtang Station section of Changsha Metro Line 1. Installation of the section's fully enclosed sound barriers was completed that day. Hence, the four stations on Changsha Metro Line 1, which were temporarily out of service from May 9 due to the installation work, resumed normal operation from that day. The four stations are Guihuaping, Datuo, Zhongxin Square, and Shangshuangtang. (Photo/Tian Chao, Hunan Daily)

The photo, taken on June 5, shows a subway train passing through sound barriers along the Zhongxin Square Station-Shangshuangtang Station section of Changsha Metro Line 1. Installation of the section's fully enclosed sound barriers was completed that day. Hence, the four stations on Changsha Metro Line 1, which were temporarily out of service from May 9 due to the installation work, resumed normal operation from that day. The four stations are Guihuaping, Datuo, Zhongxin Square, and Shangshuangtang. (Photo/Tian Chao, Hunan Daily)

The photo, taken on June 5, shows a subway train passing through sound barriers along the Zhongxin Square Station-Shangshuangtang Station section of Changsha Metro Line 1. Installation of the section's fully enclosed sound barriers was completed that day. Hence, the four stations on Changsha Metro Line 1, which were temporarily out of service from May 9 due to the installation work, resumed normal operation from that day. The four stations are Guihuaping, Datuo, Zhongxin Square, and Shangshuangtang. (Photo/Tian Chao, Hunan Daily)

The photo, taken on June 5, shows a subway train passing through sound barriers along the Zhongxin Square Station-Shangshuangtang Station section of Changsha Metro Line 1. Installation of the section's fully enclosed sound barriers was completed that day. Hence, the four stations on Changsha Metro Line 1, which were temporarily out of service from May 9 due to the installation work, resumed normal operation from that day. The four stations are Guihuaping, Datuo, Zhongxin Square, and Shangshuangtang. (Photo/Tian Chao, Hunan Daily)

The photo, taken on June 5, shows a subway train passing through sound barriers along the Zhongxin Square Station-Shangshuangtang Station section of Changsha Metro Line 1. Installation of the section's fully enclosed sound barriers was completed that day. Hence, the four stations on Changsha Metro Line 1, which were temporarily out of service from May 9 due to the installation work, resumed normal operation from that day. The four stations are Guihuaping, Datuo, Zhongxin Square, and Shangshuangtang. (Photo/Tian Chao, Hunan Daily)

Source: en.changsha.gov.cn