Why are some people taller than others?

You are quite right that is a big puzzle.

When the people exchange their places, one looks taller than the other - Picture of The Oregon Vortex House of Mystery, Gold Hill - Tripadvisor

Important Factors That Can Influence Height Growth

Does playing basketball make you grow taller? - Quora

Why are some people way taller than their family? - Quora

Genomelink, Why are some people taller than others? While environment (like diet and nutrition) can play a role, one study showed that 80% of height

Study: Exploring Height's Impact on Self-Perception, Dating, and Work

Is Height Genetic? Why and Why Not?

Agbeve Herbal Hospital

Why Are People Taller Today Than Yesterday? - TIME

Margaret Thatcher Quote: “Let our children grow tall and some taller than others if they have

Do most extremely tall people stop growing at a later age than most? If so, Is this typically due to hormone issues or they are just genetically predisposed for longer growth span?

Why does world's tallest populace seem to be getting shorter?, Anthropology