ULAN BATOR, May 26 (Xinhua) -- Mongolia's 33rd National Book Festival, with the theme "Let's Read More," was kicked off on Friday to encourage reading and develop a public appreciation for literature.

The three-day festival is held at the central square in Ulan Bator, and will be celebrated throughout Mongolia. Cultural events will be organized, including exhibitions of rare books, photo exhibitions and meetings of writers and readers.

More than 500 book publishers and authors have set up pavilions in the square to display their works, according to the organizers.

The festival, which takes place twice a year, is the largest book event in the country.