Volunteers arrange books on Lipscani street of Bucharest's Old Town, Romania, April 23, 2013. 3000 books were donated by a local publish house on Tuesday, to mark the World Book and Copyright Day and encourage public interest in reading. (Xinhua/Gabriel Petrescu)

Volunteers arrange books on Lipscani street of Bucharest's Old Town, Romania, April 23, 2013. 3000 books were donated by a local publish house on Tuesday, to mark the World Book and Copyright Day and encourage public interest in reading. (Xinhua/Gabriel Petrescu)