https://unicode.org/emoji/proposals.html#Faulty_Comparison

The Tokyo Tower🗼(a specific building) does not justify adding the Eiffel Tower.

Many historical emoji violate current factors for inclusion. Once an emoji is encoded it cannot be removed from the Unicode Standard.

It was added when Unicode Consortium had different guidelines. They don’t accept specific buildings anymore.

Under automatically declined:

Specific buildings, structures, landmarks, or other locations, whether fictional, historic, or modern.