In this January 23, 2021, file photo, a police officer detains a young woman during a protest against the jailing of opposition leader Alexei Navalny in Pushkin square in Moscow, Russia. Allies of Navalny are calling for new protests next weekend to demand his release, following a wave of demonstrations across the country that brought out tens of thousands in a defiant challenge to President Vladimir Putin. (Photo by Alexander Zemlianichenko/AP Photo/File)

This photo taken on December 10, 2023 shows female members of the Mandalay People's Defense Forces (MDY-PDF) heading to the frontline amid clashes with the Myanmar military in northern Shan State. In the hills of northern Myanmar young women fly combat drones, treat wounded comrades and patrol the frontlines, new roles in the battle to overthrow the military junta. (Photo by AFP Photo/Stringer)

A woman walks by a bank's currency advertisement board in Seoul, South Korea, Friday, September 23, 2022. Asian stocks fell for a third day Friday after more rate hikes by the Federal Reserve and other central banks to control persistent inflation spurred fears of a possible global recession. (Photo by Ahn Young-joon/AP Photo)

“Pivo”, Nissan's concept car is introduced at Nissan's Gallery on September 30, 2005 in Tokyo, Japan. “Pivo” is an electric car in which the direction of the cabin moves 180 degrees, therefore, when making a turn in a different direction, it simply needs to move the cabin without moving the car. (Photo by Koichi Kamoshida/Getty Images)

“Cormorant fishing is a traditional fishing method in which fishermen use trained cormorants to fish in rivers. Historically, cormorant fishing has taken place in Japan and China from around 960 AD. and recorded from other places throughout the world”. – Wikipedia

Photo: A cormorant raised by a fisherman catches a fish on a canal on November 27, 2007 in Xitang Town of Jiashan County, Zhejiang Province, China. (Photo by China Photos/Getty Images)

A tiny calico Scottish Fold kitten named Marimo snuggles and plays with an equally tiny baby owl named Fuku at the Hukulou Coffee House in Osaka, Japan. While the cafe is primarily focused on all things owl, the kitten is certainly getting a great deal of attention, particularly from Fuku.

Ryo Minemizu, one of Japan’s emerging stars in the field of marine life photography and the 2017 winner of the Nikkei National Geographic photography prize, captures the beauty and complexity of plankton that drift in our planet’s oceans and other bodies of water in meticulous detail. Here: Batesian mimicry by a Soleichthys fish larva. (Photo by Ryo Minemizu/The Guardian)

With more than 40,000 followers on Twitter and 26,400 fans on Vine, it looks like Marutaro the hedgehog from Japan is one of the most popular hedgehogs on the Internet. And as his owner keeps on posting Marutaro’s pictures online daily, Marutaro’s popularity continues to grow. There are hundreds of cute photographs and videos of this little fellow, but the ones with little paper cut-out faces are probably the cutest. As Marutaro lies on his back, his owner gives him a variety of silly expressions and smiles. The 20 best of them will definitely boost your mood!