April 17, 2013
![A pair of running shoes, flowers and a Boston University key chain at a makeshift memorial in Boston, Massachusetts, USA, for 23-year-old Lu Lingzi student from China.](https://gdb.voanews.com/41935776-608d-4ddf-8444-f503a278bd80_w1024_q10_s.jpg)
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A pair of running shoes, flowers and a Boston University key chain at a makeshift memorial in Boston, Massachusetts, USA, for 23-year-old Lu Lingzi student from China.
![A South Korean soldier holding his machine gun runs in front of an advertisement board during an anti-terror drills at Government Complex in Sejong, south of Seoul, South Korea.](https://gdb.voanews.com/1be7a75f-85f8-4d60-9e63-7f6e80322cbb_w1024_q10_s.jpg)
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A South Korean soldier holding his machine gun runs in front of an advertisement board during an anti-terror drills at Government Complex in Sejong, south of Seoul, South Korea.
![A woman holds an umbrella as she walks during the traditional Feria de Abril (April fair) in the Andalusian capital of Seville, southern Spain.](https://gdb.voanews.com/be6fd93d-5fa4-4c9d-a755-4ccbb949aadd_w1024_q10_s.jpg)
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A woman holds an umbrella as she walks during the traditional Feria de Abril (April fair) in the Andalusian capital of Seville, southern Spain.
![A pack of riders climbs the "Wall of Huy" during the Fleche Wallonne Classic cycling race in Huy, Belgium.](https://gdb.voanews.com/ba138af8-c46a-4b67-b496-506e6671991f_w1024_q10_s.jpg)
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A pack of riders climbs the "Wall of Huy" during the Fleche Wallonne Classic cycling race in Huy, Belgium.