A man carries a civet while taking part in an animal welfare campaign ahead of the World Animal Day celebrations on October 4, in Banda Aceh on October 2, 2022. (Photo by Chaideer Mahyuddin/AFP Photo)

This sumatran orangutan named Kulsum was captured playing with a piece of broken bottle making a pair of makeshift sunglasses to ward off the sun in Jakarta, Indonesia in November 2022. Sumatran orangutans are critically endangered of the three orangutan species and are only found in the north of the Indonesian Island of Sumatra. An orangutan has a long lifespan and can live up to 30 years in the wild with many living up to 50. (Photo by Syahrul Ramadan/Media Drum Images)

Two scavengers collect plastics in the Citarum river in Bandung, West Java on March 28, 2023. (Photo by Timur Matahari/AFP Photo)

A worker is immersed in a kaleidoscope of colour while they paint traditional umbrellas in Juwiring, Klaten, Central Java, Indonesia in December 2023. The workers who spend around 8 hours a day, depending on order quantities and customer deadlines are paid around Ј200 a month. They will paint a batch over the period of two to three days until each layer of paint is dry. Extras of the traditional umbrella will be made as many tourists come to buy them. (Photo by Lia Indriani/Solent News & Photo Agency)

A man suffering from mental illness sits chained on a bed in his room inside his family home in Curug Sulanjana village in Serang, Banten province, Indonesia March 23, 2016. In a programme launched this year, Indonesia sends teams of workers into often-remote hamlets to help free patients kept in chains and ensure they get the medical treatment they need. (Photo by Reuters/Beawiharta)

Rescuers pull dead whales ashore in Probolinggo, East Java, Indonesia, Thursday, June 16, 2016 during a mass rescue operation of stranded whales. Most of more than 30 stranded whales were managed to be pulled into the deep sea, an official said. (AP Photo/Trisnadi)

An Acehnese female police officer wear a hijab on duty in the street in Banda Aceh, Indonesia, 27 March 2015. Indonesia National Police officially issued a regulation allowing female police officer to wear the Islamic hijab (heads craft) as a part of their uniform. Indonesia is the biggest Muslim population in the world. (Photo by Hotli Simanjuntak/EPA)

Located in East Java, Indonesia, Kawah Ijen is a volcano is home to the largest acidic crater lake in the world. What turns the waters of the lake in the 1 km caldera its beautiful turquoise color are the highly sulfuric gases emitted from the volcano underneath.