Becoming agile and incorporating Scrum principles is a process. It takes diligence, patience, practice and a commitment to continuous improvement. Agile Project Management for Dummies author Mark Layton (MBA2, CST, PMP, SCPM) provides training on Agile and Scrum through certified classes from Platinum Edge!
The summit craters represent the junction area of the volcanic activity through which breathes the persistent vent of Etna, and in more or less regular intervals, are the site of explosive events of various types as: Strombolian obstruction phreatic activities etc. that continually change the morphology.
Calderas are some of the most spectacular features on Earth. They are large volcanic craters that form by two different methods: 1) an explosive volcanic eruption; or, 2) collapse of surface rock into an empty magma chamber. The image at right is a satellite view of one of the most famous calderas-Crater Lake in Oregon.