BEIJING, April 24, 2016 (Xinhua) -- Tourists watch flowers at International Flower Port in Beijing, capital of China, April 23, 2016. More than four million flowers are in full bloom here, attracting a good many tourists. (Xinhua/Chen Yehua)

BEIJING, April 24, 2016 (Xinhua) -- Tulips are seen at International Flower Port in Beijing, capital of China, April 23, 2016. More than four million flowers are in full bloom here, attracting a good many tourists. (Xinhua/Chen Yehua)

BEIJING, April 24, 2016 (Xinhua) -- Tourists watch flowers at International Flower Port in Beijing, capital of China, April 23, 2016. More than four million flowers are in full bloom here, attracting a good many tourists. (Xinhua/Chen Yehua)

BEIJING, April 24, 2016 (Xinhua) -- Tourists pose for photos at International Flower Port in Beijing, capital of China, April 23, 2016. More than four million flowers are in full bloom here, attracting a good many tourists. (Xinhua/Chen Yehua)