Guess device photo

I suggest you guess for what purpose is this simple device. Any idea?

This gadget for water purification. With this piece you will be able to drink water from reservoirs such as a hike or even possible to drink some water from the toilet, if you strongly prisushit suddenly!

Images and photos interesting pictures photos

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We wanted the best

From New York location. Part 3 (52 pics)

Washington - city officials and patriotism (43 photos)

Dream catch Angela? (24 photos)

Smile from Chelyabinsk (16 photos)

Istanbul by Night - it's cool

Private from the 80s (54 photos)

Echoes of War

Retro Soup

Photography of daily life in US