The National Library of China reopens from May 12 with a daily cap of 1,200 visitors. (Photos: Weng Qiyu)

A staff member arranges bookshelves in a reading room at the National Library on May 12.

A reader looks up materials in a reading room at the National Library on May 12.

Readers look up materials at a reading room of the National Library on May 12.

Readers put books in the self-service book disinfector for sterilization.

Readers read books quietly in a reading room at the National Library on May 12.

Two readers pick up borrowed books at the National Library on May 12.

A reader consults a staff member about the procedure for borrowing books on May 12.