Best photos of January 17: South Korea navy's cold weather exercise to Luminarias festival in Spain

Members of the South Korean Navy's rescue unit take part in cold weather training, at a naval port in Changwon. EPA
The sun rises behind a pier on Bali's Serangan island. AFP
Retiring Mongolian-born grand champion Terunofuji enters the ring at the New Year Grand Sumo Tournament in Tokyo. AFP
Light installations set up in China's Anhui province to celebrate the Lunar New Year. AFP
People gather to mark the 30th anniversary of the Great Hanshin Earthquake in Japan. The disaster killed more than 6,400 people in the Hyogo prefecture. AFP
A child walks on a tightrope during the Maha Kumbh Mela festival, near Prayagraj, India. The Hindu festival is known as the world's largest gathering of humanity, with 400 million people set to attend. AFP
An EH216-S autonomous aircraft performs its first public flight, in Shanghai, China. AFP
A rider emerges from a bonfire during the Luminarias festival in San Bertolome de Pinares, Spain. The centuries-old tradition involves riders crossing street bonfires in a purification ritual. EPA