in the Malaysian Cabinet from 11 out of 57 portfolios in 2008 election to 20 out of 61 portfolios. However, there has been no prime minister or deputy prime minister coming from East Malaysia yet since its incorporation in 1963. As of 2012, Sarawak, Sabah and Labuan held a total of 57 out 222 seats (25.68%) in the Malaysian parliament. Since 2014, Sarawak have been actively seeking for devolution of powers from the Malaysian federal government. In October 2018, both Sabah and Sarawak chief ministers met to discuss common goals in demanding from the Malaysian federal government regarding the rights stipulated inside the Malaysia Agreement. In December 2021, constitutional amendments were passed to restore the status of Sabah and Sarawak as equal partners to Malaya, with 199 members of Parliament backing the amendment bill without opposition. Apart from restoring Article 1(2) to its pre-1976 wording, the bill defines Malaysia Day for the first time and redefines the federation with the inclusion of Malaysia Agreement (MA63). Previously, only Merdeka Day (independence day of the Federation of Malaya) was defined, and the federation was defined merely by the Malaya Agreement 1957. The Constitution (Amendment) Act 2022 received royal assent on 19 January 2022 and came into force on 11 February 2022. Physical geography The landscape of East Malaysia is mostly lowland rain forests with areas of mountain rain forest towards the hinterland. The total area of East Malaysia is 198,447 km2, representing approximately 60% of the total land area of Malaysia and 26.4% of the total area of Borneo, which is 50% bigger than Peninsular Malaysia at , comparable with South Dakota or Great Britain. East Malaysia contains the five highest mountains in Malaysia, the highest being Mount Kinabalu at 4095 m, which is also the highest mountain in Borneo and the 10th highest mountain peak in Southeast Asia. It also contains the two longest rivers in Malaysia – Rajang River and Kinabatangan River. Banggi Island in Sabah and Bruit Island in Sarawak are the two largest islands that are located entirely within Malaysia. The largest island is Borneo, which is shared with Indonesia and Brunei. The second largest island is Sebatik Island, in Sabah, which is shared with Indonesia. Sarawak contains the Mulu Caves within Gunung Mulu National Park. Its Sarawak Chamber is the largest (by area) known cave chamber in the world. The Gunung Mulu National Park was declared a