Indonesia's ambitious plan to begin construction of a massive concrete sea wall in September to protect the coast of Java island is now uncertain due to issues with funding and public trust.

Millions of residents and businesses on Indonesia's Java island are experiencing widespread power outages, sparking public anger and questions about the nation's energy policies despite being the world's largest coal exporter. The blackouts highlight a significant domestic energy supply issue.

The Kawah Ijen volcano, part of a volcanic complex on the eastern part of Java island in Indonesia, is known for its unique blue light phenomenon, often referred to as 'blue lava'.