midnight sun, night view of adventfjorden and longyearbyen from platafjellet, the plata mountain in svalbard. blue sky

advent adventdalen adventfjorden arctic blue box cairn clouds destination fiord fjord geology high hiking industrial isfjorden island journey landscape longyear longyearbyen mailbox midnight mountain nature night norway ocean outdoor peak photography point polar register rocks sea season settlement sky spitsbergen summer sun svalbard top tourism travel tundra valley