Interesting enough, my dormitory was at this tourist attraction in the past. Now its walls were torn down, you can see the red pillars now. Some story happened at this building, one is somewhat near to modern edition of "the White-Haired Girl", ...
Now for this word 上, and others as well, I have my own say by 长期积累,偶然得之, which I never imagined since there are so many Chinese scholars and this is their native language, but Mr.上, I got you, since you related to me in someway,plus my grandpa's zi4 has a Shang4 sound. He initiated to use a title 领袖(what a noteworthy family legend!). I will do further more.
I founded "the Red 楼Chamber Pictorial", a student painting show, I lived at the foot of famous Corner Tower, those two 楼 are nominal only, and no longer with me. While my schoolmates control many 楼, even one is a VIP in this territory, me as a nobody, will start to build my own 摩天大楼, the 摩天大楼 of my thought. This 楼 is much meaningful than those luxury buildings. Because everyone can live in it. Ah, this will fulfill a small portion of Du Fu's dream one thousand more years ago.
