The first sunken museum at Delhi's Humayun Tomb complex, a UNESCO World Heritage Site, will open on July 30.

• The museum displays Mughal heritage and the Nizamuddin area's history over seven centuries, featuring artefacts, 3-D videos, and paintings.
• The inauguration coincides with the 46th UNESCO World Heritage Committee session.
• Union Culture and Tourism Minister Gajendra Singh Shekhawat will inaugurate the museum alongside Prince Rahim Aga Khan, coinciding with the 46th UNESCO World Heritage Committee session here.