Three cultural landmarks officially opened to the public Wednesday in an area dubbed Beijing’s sub-center in eastern Tongzhou district. The Beijing Green Heart Grand Theatre is the largest and most complex structure, resembling the type of traditional Chinese junks that historically would travel along the nearby Grand Canal. Photo: VCG

World famous conductor Valery Gergiev and the Mariinsky Orchestra perform in the Grand Theatre on Oct. 25 in a test performance. Photo: VCG

The view of Beijing City Library at dusk on Dec. 24. Photo: VCG

Visitors can find a quiet place to read under the Ginkgo tree-like roof of the Beijing City Library. Photo: VCG

Visitors pass by a model of a Chinese ship at the Grand Canal Museum of Beijing on Wednesday. Photo: Xinhua

A child touches an interactive globe at the Grand Canal Museum on Wednesday. Photo: VCG

A visitor watches an immersive show at the Grand Canal Museum on Wednesday. Photo: VCG

An aerial photograph of the three landmark buildings of the Beijing Municipal Administrative Center on Tuesday. Photo: VCG