Sagot :
Escalators and elevators are used for the convenience of sightseeing especially for pregnants, elders, disabled etc.
Answer:
for me , is that escalators and elevators are use in malls and high storey buildings because it helps us to be in our destinations faster and easier, and for us to not be exhausted especially for the disabled persons and because malls are big with many floors as well as the high storey buildings.
Explanation:
sorry for my english tho but hope it helps.