10 Things to See: A week of top AP photos

In this photo made with a long exposure, a Noctiluca scintillans algal bloom glows along the seashore in Hong Kong on Thursday, Jan. 22, 2015. The luminescence, also called Sea Sparkle, is triggered by farm pollution that can be devastating to marine life and local fisheries, according to University of Georgia oceanographer Samantha Joye.  

Jonbeel festival

A Tiwa tribal man laughs as he participates in the Jonbeel festival near Jagiroad, India, Friday, Jan. 23, 2015. Tribal communities like Tiwa, Karbi, Khasi, and Jaintia from nearby hills come down in large numbers to take part in the festival and exchange goods through barter rather than money. Community fishing and cockfights are also held between tribal and non-tribal groups during this festival.  

U.S. President Barack Obama

A shopkeeper puts thread in a kite with photographs of Indian Prime Minister Narendra Modi, left, and U.S. President Barack Obama for sale at a shop in Mumbai, India, Friday, Jan 23, 2015. Obama will be the chief guest during this year's parade which will be held on Jan. 26. 

Full-dress rehearsal of Republic Day parade

Indian students perform a dance in colorful costumes during the full-dress rehearsal of Republic Day parade in New Delhi, India, Friday, Jan. 23, 2015. U.S. President Barack Obama will be the "chief guest" during this year's parade which will be held on Jan. 26.

Republic Day

Artists in traditional dresses speak to each other during a media preview displaying a glimpse of culture of different parts of India, in New Delhi, India, Thursday, Jan. 22, 2015. The tableaux will be part of the Indian Republic Day parade on Jan. 26.

10 Things to See: A week of top AP photos

A horse rider drinks wine next to a bonfire during a ritual in honor of Saint Anthony the Abbot, the patron saint of domestic animals, in San Bartolome de Pinares, about 100 kilometers (62 miles) west of Madrid, Spain on Friday, Jan. 16, 2015. 

On a time machine: Here’s what the Obamas did on their India visit

10 Things to See: A week of top AP photos

A man shields his eyes from the sun as he views the arctic sea smoke rising from Casco Bay, Thursday, Jan. 8, 2015, in Portland, Maine.