Every year, United States gives the chance to its inhabitants to observe an unusual exhibition, where giant sized sculptures made entirely out of canned food.

In order to attract more participants, there is also a contest with prizes and all the sculptures are absolutely different from the bridge and castle, to shoes and purse. Here are some photos from the Canstruction competition since 2011.

Smithsonian magazine has announced the finalists of the 12th annual photo contest.

This year photographers from 93 countries participated in the Smithsonian Photo Contest. They have sent more than 26,500 images. Let’s take a look at amazing 15 photos that were among the finalists this year.