Correct Option: B

The rock garden or Rock Garden of Chandigarh is a Sculpture garden in Chandigarh, India, also known as Nek Chand’s Rock Garden after its founder Nek Chand, a government official who started the garden secretly in his spare time in 1957. The Rock Garden is made out of recycled materials; and with the government’s help, Chand was able to set up collection centers around the city for waste, especially rags and broken ceramics.