Finnish architecture office OOPEAA has completed a log cabin-style sauna on an island in Helsinki's archipelago that is topped with a zinc roof incorporating dormer windows. More
Shimmering, multi-tonal copper clads the entire exterior of this chapel in Finland, designed by architecture firm OOPEAA. More
This lakeside observation pavilion by Finnish studio OOPEAA doubles as a giant periscope, so visitors don't have to climb to the top to enjoy the view (+ slideshow). More
OOPEAA has won the 2015 Finlandia Prize for Architecture with Puukuokka – the tallest wooden apartment block in Finland and one of the first high-rise examples of prefabricated cross-laminated timber construction in the world. More
Prefabricated modules of cross-laminated timber were "plugged in like Lego pieces" to build this eight-storey apartment block in Finland – one of the first examples of its type in the world (+ slideshow). More
Buildings that make up this house in Finland by architects OOPEAA Office for Peripheral Architecture are arranged to protect a courtyard from the cold northerly winds blowing down the valley (+ slideshow). More
Venice Architecture Biennale 2014: architect Anssi Lassila has installed two huts outside the Finnish Pavilion at the Venice biennale – the first was built from spruce by a Finnish carpenter while the second was put together from bamboo by a team in China. More
Finnish architects Anssi Lassila and Teemu Hirvilammi of Lassila Hirvilammi with Jani Jansson of Luonti have completed this slate-clad church with a separate steeple in Jyväskylä, Finland. More