In the sentence: <span> That tall building with black and white spiral stripes is actually a famous lighthouse.
Based on my research of the word "adjective phrase" and understanding the sentence from above, the adjective that would be in there would be "black and white spiral stripes". That would be it.
The International Astronomical Union (IAU) downgraded the status of Pluto to that of a dwarf planet because it did not meet the three criteria the IAU uses to define a full-sized planet. Essentially Pluto meets all the criteria except one—it “has not cleared its neighboring region of other objects."