Chinese Ambassador to Egypt Song Aiguo, right, accompanies Hong Kong immigration officers upon their arrival at the Cairo International airport in Egypt, Wednesday, Feb. 27, 2013. Ninet

 

              Chinese Ambassador to Egypt Song Aiguo, right, accompanies Hong Kong immigration officers upon their arrival at the Cairo International airport in Egypt, Wednesday, Feb. 27, 2013. Ninet
Chinese Ambassador to Egypt Song Aiguo, right, accompanies Hong Kong immigration officers upon their arrival at the Cairo International airport in Egypt, Wednesday, Feb. 27, 2013. Nineteen people were killed on Tuesday, Feb. 26, 2013 in what appeared to be the deadliest hot air ballooning accident on record. The balloon was carrying 20 tourists from France, Britain, Belgium, Japan, Hong Kong, and an Egyptian pilot. (AP Photo/Amr Nabil)