Indonesian President Joko Widodo rides Royal Enfield motorbike during his visit at Pelabuhan Ratu beach in Sukabumi, Indonesia, April 8, 2018. (Photo by Puspa Perwitasari/Reuters/Antara Foto)





Indonesia President Joko Widodo with his wife Iriana drives electric motor bike during visit at Agats district in Asmat, Papua province, Indonesia, April 12, 2018. (Photo by Puspa Perwitasari/Reuters/Antara Foto)





People wear masks to travel through the streets after an eruption of the Mount Merapi volcano in Java, Indonesia on May 11, 2018. (Photo by Cyrilus Yuniarto Purnomo/Sijori Images/Barcroft Images)





People watch the rising black smoke from a burned oil spill at the waters in Balikpapan, Indonesia on March 31, 2018. A cargo ship caught fire in waters off East Kalimantan province in central Indonesia on Saturday, leaving two people dead and two others missing, an official said. (Photo by Xinhua News Agency/Rex Features/Shutterstock)





Policewomen with residents gather on the beach to clean the coast from the oil spilled at the Pantai Kilang Mandiri in Balikpapan, East Kalimantan, Indonesia on April 5, 2018, (Photo by Sheravim/Reuters/Antara Foto/UNI)





A woman who makes change for large bank notes sits beside stacks of Indonesian Rupiah notes in a street in Jakarta, Indonesia April 27, 2018. (Photo by Willy Kurniawan/Reuters)





Workers sort though trash during a major clean up of the waters of Jakarta Bay in Jakarta, Indonesia, Saturday, March, 17, 2018. Jakarta's waters are polluted, contributing not only to a lack of clean drinking water, but also making flooding more likely during the rainy season. (Photo by Achmad Ibrahim/AP Photo)





A farmer tends to an onion crop on the slopes of Mount Cereme, Majalengka, West Java, Indonesia, March 26, 2018 in this photo taken by Antara Foto. (Photo by Agvi Firdaus/Reuters/Antara Foto)





A model presents a creation by designer Salty Jofimar during Indonesia Fashion Week in Jakarta, Indonesia March 29, 2018. (Photo by Darren Whiteside/Reuters)





Tourists and local residents disembark a boat coming from nearby Nusa Penida island as plastic trash pollutes the beach in Sanur, Denpasar, Bali, Indonesia April 10, 2018. (Photo by Johannes P. Christo/Reuters)





Children take a rest after playing soccer at Ciliwung river basin in Jakarta, Indonesia April 12, 2018. (Photo by Reuters/Beawiharta)





A worker carry pieces of wood as walks at the Jakarta Mass Rapid Transit construction at Sudirman Business District in Jakarta, Indonesia, April 17, 2018. (Photo by Reuters/Beawiharta)





Damaged caused by fire from a burning illegal oil well is seen in Ranto Peureulak, Aceh Province, Indonesia April 25, 2018 in this photo taken by Antara Foto. (Photo by Rahmad/Reuters/Antara Foto)





A worker spreads rice grains during a drying process after a harvest at Pontang village in Serang, Banten province, Indonesia, April 26, 2018. (Photo by Reuters/Beawiharta)





A scavenger (R) searches for valuable waste to resale as children (L) play next to him in a dirty river in Jakarta on March 21, 2018. (Photo by Bay Ismoyo/AFP Photo)





This photo taken on March 21, 2018 shows Indonesian Murni (L) with her fellow villager swimming back to their village with jars of clean water in Tinambung, West Sulawesi. Indonesian villager Mama Hasria swims upstream with about 200 empty jerry cans tied to her back, a daily trip she and other local women make to get clean water for their community on Sulawesi island. As a scorching sun beats down, the 46-year-old Hasria makes the four kilometre (2.5 mile), hour-long trip along the murky. (Photo by Yusuf Wahil/AFP Photo)





A fisherman transports a shark and other fish with his ride to the traditional fish market in Lampulo, Aceh, Indonesia, 12 April 2018. The fishing industry is one of Indonesia's largest economic contributor, with almost half of the country's population working in the sector. (Photo by Hotli Simanjuntak/EPA/EFE)





People use their mobile phones to take pictures as a Shariah law official whips a woman who is convicted of prostitution during a public caning outside a mosque in Banda Aceh, Indonesia, Friday, April 20, 2018. Indonesia's deeply conservative Aceh province on Friday caned several unmarried couples for showing affection in public and two women for prostitution before an enthusiastic audience of hundreds. The canings were possibly the last to be carried out before large crowds in Aceh after the province's governor announced earlier this month that the punishments would be moved indoors. (Photo by Heri Juanda/AP Photo)





An Indonesian artist performs during preparations for the Asian Games carnival in Jakarta, Indonesia, 13 May 2018. Indonesia will host 40 events at the upcoming Asian Games 2018, which is scheduled to be held from 18 August to 02 September. (Photo by Adi Weda/EPA/EFE)