India, May 12 -- There are many baolis in Delhi, but two of these old stepwells embody distinct responses to the summer season, and to the way our city remembers, or forgets, its old edifices. One is Agrasen ki Baoli. The other is Gandhak ki Baoli. One has become a popular hangout. The other remains a secretive refuge. Both are easily accessible, tucked beside busy roads. One sits in the central sprawl of the city, near the office towers of Barakhamba Road and KG Marg. The other lies in the southern parts, near the medieval tower of Qutub Minar. One is frequently photographed; it has been framed by Raghu Rai's lens and has also appeared in an Aamir Khan film. The other remains largely unseen. Agrasen ki Baoli descends through 104 stone step...