The Dhyanalinga is open every day from 6am to 8pm. On Shivratris, the timings are 6:00am - 4:00pm, 6:15pm - 8:00pm.
The simple technology used is this -- all the bricks are trying to fall down at the same time! But, the way the bricks are aligned and balanced, they can never fall. The nature of this design ensures a lifespan of at least 5000 years for the dome.
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