![Guo Junpeng, a local citizen, donates blood for free in a mobile blood collection vehicle in Xining, capital of northwest China's Qinghai Province, June 14, 2013, on the occasion of the World Blood Donor Day.](./W020130615189360504679.jpg)
¡¡¡¡Guo Junpeng, a local citizen, donates blood for free in a mobile blood collection vehicle in Xining, capital of northwest China's Qinghai Province, June 14, 2013, on the occasion of the World Blood Donor Day. (Xinhua/Wu Gang)
![A migrant worker donates blood in a mobile blood collection vehicle in Qingdao, east China's Shandong Province, June 14, 2013, on the occasion of the World Blood Donor Day.](./W020130615189408084688.jpg)
¡¡¡¡A migrant worker donates blood in a mobile blood collection vehicle in Qingdao, east China's Shandong Province, June 14, 2013, on the occasion of the World Blood Donor Day. (Xinhua/Yu Fangping)
![Citizens show emblems to mark the 10th World Blood Donor Day as donating blood in a mobile blood collection vehicle in Lin'an, east China's Zhejiang Province, June 14, 2013.](./W020130615189409482539.jpg)
¡¡¡¡Citizens show emblems to mark the 10th World Blood Donor Day as donating blood in a mobile blood collection vehicle in Lin'an, east China's Zhejiang Province, June 14, 2013. (Xinhua/Hu Jianhuan)
![Citizens show their certificates as donating blood in a mobile blood collection vehicle in Lin'an, east China's Zhejiang Province, June 14, 2013, on the occasion of the World Blood Donor Day.](./W020130615189410884509.jpg)
¡¡¡¡Citizens show their certificates as donating blood in a mobile blood collection vehicle in Lin'an, east China's Zhejiang Province, June 14, 2013, on the occasion of the World Blood Donor Day. (Xinhua/Hu Jianhuan)![Citizens donate blood in a mobile blood collection vehicle in Handan City, north China's Hebei Province, June 14, 2013, on the occasion of the World Blood Donor Day.](./W020130615189412919380.jpg)
¡¡¡¡Citizens donate blood in a mobile blood collection vehicle in Handan City, north China's Hebei Province, June 14, 2013, on the occasion of the World Blood Donor Day. (Xinhua/Hao Qunying)