Withering is used to remove excess water from the leaves and allows a very slight amount of oxidation. The process is also important in promoting the breakdown of leaf proteins into free amino acids and increase the availability of freed caffeine, both which change the taste of the tea.
Glaciers are found in the north in the Himalayas. The Thar desert is in Rajasthan in the northwest and the lagoons are in Kerala in the southwest. Unfortunately, we don’t have any icebergs in India or even in the Indian subcontinent.