Salima saw changes as she climbed higher and higher because the factors such as soil, temperature, slope and moisture also changed. On all these factors, the vegetation depends. As Salima moved higher, she saw the deep jungles of the foothills comprising sal and teak slowly disappeared. She could see tall trees with thin pointed leaves and cone shaped canopies on the mountain slopes called the coniferous trees. She noticed blooms of bright flowers on tall trees. These were the rhododendrons. From Manali as she was travelling up to Rohtang pass she saw that the land was covered with short grass and snow in some places.