Finnish slang word huudi most likely comes from English word neighborhood. When one says: "Olla huudeilla", it means s/he is around, in town, or just around the corner.

www.etymonline.com/word/neighborhood
www.etymonline.com/word/-hood?ref=etymonline_crossreference

Another idea and version at Instagram:
www.instagram.com/p/BmAytioFfMq/?taken-by=samiserola

So far my hometown Tampere has been rather "flat", but now there are several tall buildings built or under construction.

If you are interested to find out how this image is made, you can try to figure it out over here:
www.ipernity.com/doc/serola/45394808