One big difference however is that humans walk upright on straight legs, whereas most animals are crouched – bent over at the knee and leaning forwards to the ground.
The $350 million structure was opened in 2009 and since then as it settled into the ground, it has leaned a total of 24 inches to the west and almost eight inches to the north.
To secure the 270 electoral-college votes needed to win, Ms Harris must win battleground states, such as Pennsylvania and Michigan, which have leaned to the right of the country in recent elections.
Looking at your body as a whole, you should picture them as two sides of a scale — sometimes it's balanced in the middle, and sometimes it leans to the left or right, depending on what's happening.