Fireflies light up a forest in Temuco, Chile.
(REUTERS/Cristobal Saavedra Escobar)
The Aurora Borealis over Enontekio, Finland.
A bat glides across the sky above Sydney, Australia.
(AP Photo/Mark Baker)
A man falls off a sled in Milton Keynes, Britain.
A dancer participates in an aboriginal ceremony in Sydney.
(AP Photo/Rick Rycroft)
A tree lies over a creek near Frankfurt, Germany.
(AP Photo/Michael Probst)
A towboat breaks ice in Ornskoldsvik, Sweden.
(Erik Martensson/TT News Agency/via REUTERS)
A worker walks on shipping containers in Jakarta, Indonesia.
(REUTERS/Ajeng Dinar Ulfiana)
A land-art fresco in Cape Town, South Africa.
(Valentin Flauraud for Saype/via REUTERS)
Conceptual artists perform in Regensdorf, Switzerland.
A security guard walks on an observation deck in Tokyo.
A tug of war club trains in Boley, Ireland.
(REUTERS/Clodagh Kilcoyne)**See last week's best photojournalism**