Today's 10 Must-See Photos: 5-16-2013

The US Department of Interior tweeted this photo of Glacier Point and Half Dome in Yosemite National Park on May 15, and wrote, "Some sights are too beautiful for words. Like the view from Glacier Point overlooking Half Dome @YosemiteNPS pic.twitter.com/DeFSp6jazi"

Oleksiy Pinko, a circus artist, dances with a lion during presentation of the new program in Ukraine's National Circus in Kiev, Ukraine, Wednesday, May 15. 

Storm chaser George Kourounis tweeted this photo of lightning near Crowell, Texas, on May 14. He wrote, "Intense lightning storm near Crowell, Texas. pic.twitter.com/3lUKptmnqc"

An Afghan National Police officer mans a checkpoint on the outskirts of Maidan Shahr, Wardak province, Wednesday, May 15.

This composite image of a galaxy released by NASA on May 16 illustrates how the intense gravity of a supermassive black hole can be tapped to generate immense power. The image contains X-ray data from NASA's Chandra X-ray Observatory (blue), optical light obtained with the Hubble Space Telescope (gold) and radio waves from the NSF's Very Large Array (pink).

Astronaut Chris Hadfield tweeted this photo of the Mongolian highlands that he took while aboard the International Space Station on May 15. He wrote, "Today's photo is from the Mongolian highlands. Surreal to see a frozen lake surrounded by sand dunes. pic.twitter.com/InfNHUMc5p"

JD Andrews tweeted this photo of sunset in Roswell, N.M., on May 15. He wrote, "The sunsets in #roswell aren't too bad. What do you think? #NewMexicoTrue http://instagram.com/p/ZW6w0zM0Tp/"

A Bangladeshi volunteer walks along the Bay of Bengal coast to evacuate people from Chittagong, Bangladesh, Thursday, May 16. Cyclone Mahasen struck the southern coast of Bangladesh on Thursday, lashing remote fishing villages with heavy rain and fierce winds that flattened mud and straw huts and forced the evacuation of more than 1 million people.