A man makes his way through flood waters after heavy rains in Sana'a, capital of Yemen, on April 27, 2013. According to Yemen's official Saba news agency, after heavy rains hit Yemen on Saturday, the Yemeni authorities warned the citizens to take precautions to avoid surprising torrents and rockslides, especially in the mountainous areas, due to the heavy rains and flash floods. [Photo/Xinhua]