students created a formation called Bersatu Nusantara Indonesia ("United Indonesian Archipelago") with the Indonesian national flag, to encourage a spirit of unity across differences in the country. Community service UGM organizes a community service called KKN-PPM (short for Kuliah Kerja Nyata-Pembelajaran Pemberdayaan Masyarakat or "Student Community Service-Community Empowerment Learning", in English), which is obligatory for undergraduate students. KKN-PPM is a research-based community service offered three times each academic year, in the middle of both the odd semester and even semester and between these two semesters. Not only local students joining the KKN, but also international academicians, including lecturers and students, are involved in KKN-PPM UGM. In 2011, 150 international students participated in KKN-PPM, coming from many countries, such as South Korea, Australia, France, the US, and Norway. Other activities The Sports Activities Unit is coordinated by the Secretariat of Joint Sports, and the Arts Unit is coordinated by the Joint Secretariat of Arts. Sports activities include swimming, diving, inkai karate, kenpō, the Indonesian martial art pencak silat (including the variants of pencak silat merpati putih, self periasi pencak silat, pencak silat pro patria, and pencak silat setia hati terate), taekwondo, judo, hockey, soccer, softball, volleyball, basketball, athletics, equestrian, bridge, badminton, chess, and tennis. Arts activities include Arts Style Yogyakarta (Swagayugama), Art Style Surakarta, Balinese dance, creative dance, photography, fine arts, Gamma Band, marching band, ‘’keroncong’’, student choir, theatre, and others arts. Other activities include Publisher Student Press Agency, Mapagama, Student Health Unit, Scout, Satmenwa, Cooperative Students "Kopma UGM", and AIESEC. Spirituality activities include the Unit of Islamic Spirituality (Jama'ah Shalahuddin), Unit of Catholic Spirituality, Christian Spirituality Unit, Hindu Spirituality Unit, Buddhism and Spiritual Unit. Reasoning activities include the Interdisciplinary Unit of Scientific Reasoning, Gama Scholar Reasoning Unit, and English Debating Society. Transportation There are sepeda kampus (campus bike) service available inside UGM, with 8 stations and 5 substations across the campus. UGM campus is also served by Trans Jogja bus stations in several locations, notably near the Faculty of Medicine, Vocational School and lecturer's eastern housing. Other facilities UGM Campus Mosque is a mosque owned by UGM and situated within its campus. It was designed entirely by the students of UGM Architecture Engineering department. It holds maximum capacity of 10,000 pilgrims, making it one of the largest mosques in Southeast Asia. Madya Stadium, the softball/baseball field, and the tennis courts are located in the valley of UGM. The stadium can