Hikers walk along Qinghai Lake, Northwest China's Qinghai Province, January 1, 2013. Over 700 people attended a 13-kilometer hike along Qinghai Lake to celebrate the New Year and promote the ideal of low-carbon lifestyle.

Hikers walk along Qinghai Lake, Northwest China's Qinghai Province, January 1, 2013.

 

 

A hiker signs on a proposal for environment protection by Qinghai Lake, Northwest China's Qinghai Province, January 1, 2013.

 

 

Hikers walk along Qinghai Lake, Northwest China's Qinghai Province, January 1, 2013.

 

 

Hikers pose for group photo by Qinghai Lake, Northwest China's Qinghai Province, January 1, 2013.

 

 

Hikers walk along Qinghai Lake, Northwest China's Qinghai Province, January 1, 2013.

 

 

Hikers walk along Qinghai Lake, Northwest China's Qinghai Province, January 1, 2013.

 

 

Hikers walk along Qinghai Lake, Northwest China's Qinghai Province, January 1, 2013.