Photo taken on April 10, 2013 shows apricot buds at the Beijing Fenghuangling Nature Park in Beijing, capital of China. The 2013 Fenghuangling Apricot Flower Festival kicked off on Wednesday, with the expected best time for viewing falling between April 13 and April 23. (Xinhua/Zhang Yu)

Photo taken on April 10, 2013 shows a bee gathering honey from apricot flowers at the Beijing Fenghuangling Nature Park in Beijing, capital of China. The 2013 Fenghuangling Apricot Flower Festival kicked off on Wednesday, with the expected best time for viewing falling between April 13 and April 23. (Xinhua/Zhang Yu)

A visitor takes pictures of apricot flowers at the Beijing Fenghuangling Nature Park in Beijing, capital of China, April 10, 2013. The 2013 Fenghuangling Apricot Flower Festival kicked off on Wednesday, with the expected best time for viewing falling between April 13 and April 23. (Xinhua/Zhang Yu)

A visitor takes pictures of apricot flowers at the Beijing Fenghuangling Nature Park in Beijing, capital of China, April 10, 2013. The 2013 Fenghuangling Apricot Flower Festival kicked off on Wednesday, with the expected best time for viewing falling between April 13 and April 23. (Xinhua/Zhang Yu)