北京大兴国际机场

• ⼔(person turning back; figure of person from behind)ASSOCIATIVE

Two people standing back-to-back represent North, the direction ancients faced away from.

• 大(person stretching limbs; figure of person with outstretched arms and legs)ASSOCIATIVE

A person standing with arms and legs spread wide symbolizes greatness and magnificence.

• 囗(surround; enclose)RADICAL
• 玉(precious jade; gem)ASSOCIATIVE

A nation is enclosed land that contains precious treasures within.

• 土(earth; soil; land)RADICAL
• 勿(don't; must not)PHONETIC

A wide field of land sounds similar to the word for things or objects.