 Complete the following phrase:  Krakatoa , also transcribed Krakatau ; , is a caldera in the Sunda Strait between the islands of Java and Sumatra in the Indonesian province of Lampung. The caldera is part of a volcanic island group Krakatoa Archipelago comprising four islands: two of which, Lang and Verlaten, are remts of a previous volcanic edifice destroyed in eruptions long before the famous 