Answer:
it was built in 18 the century lies on ancient trade route from the kathmandu valley to tibet
The answer is Erosion, which is the the gradual destruction or diminution of something -- in this case, rocks. I hope this helps! For reference/perspective, sand is the product of rock erosion, because it's really just tiny remnants of crushed rock. Those "small pebbles" could be sand, but you'd have to emphasize just how small they are -- one grain of sand is just that: a grain
Diaspora, (Greek: “Dispersion”) Hebrew Galut (Exile), the dispersion of Jews among the Gentiles after the Babylonian Exile or the aggregate of Jews or Jewish communities scattered “in exile” outside Palestine or present-day Israel. Although the term refers to the physical dispersal of Jews throughout the world, it also carries religious, philosophical, political, and eschatological connotations, inasmuch as the Jews perceive a special relationship between the land of Israel and themselves. Interpretations of this relationship range from the messianic hope of traditional Judaism for the eventual “ingathering of the exiles” to the view of Reform Judaism that the dispersal of the Jews was providentially arranged by God to foster pure monotheism throughout the world.
The saying a hungry man is an angry man is really true. the whole point of doing what they did was basically to keep the masses mind occupied and to cancel any form or rebellion peacefully.