Talk:Kalutara Chaitya

Is this the world's only hollow stupa?
Considering Kalutara Chaithya as the world's only hollow stupa must be cited with an updated source. Deekshabhoomi stupa and Mahaweli Mahaseya in Sri lanka are hollow stupas as well. JoshEff (talk) 07:27, 11 November 2017 (UTC)JoshEff