Eh, different tastes. I find US desserts to be so sickly sweet quite often. Frosting? I'll scrape all that off... donuts? Got an Old Fashioned? Muffin? Plain corn, please. And Cinnabon... I walk by one and can't decide if I want diabetes or a cavity.
I didn't spot any from Sendai, but this page has a nice collection of manhole covers: https://www.japanvisitor.com/japanese-culture/manhole-covers-20 (This page has more colorful anime-styled ones than the rest, which tend to be more traditional in art style.)