Gravity is challenging from this palace.

A palace in Lucknow was a challenge to gravity. The palace was built by the then King Nawab Us Ud Daulah in the 18th century. The palace can be seen in this building. Those entering the building do not want to get out of the central hall. How many people get into that hall, but there is another place like a flower in mythology. The roof of the hall is 50 meters long and is at least three feet high. The entire hall is built without a single pillar. It is a surprise to see how such a big hall is built on the ceiling, without pillars. The hall is made of bricks in the interlocking system