since the multi-party system was introduced in Zanzibar that the CUF agreed to recognize Karume as the legitimate president of Zanzibar. A proposal to amend Zanzibar's constitution to allow rival parties to form governments of national unity was adopted by 66.2 percent of voters on 31 July 2010. The autonomous status of Zanzibar is viewed as comparable to Hong Kong as suggested by some scholars, and with some recognizing the island as an "African Hong Kong". Nowadays, The Alliance for Change and Transparency-Wazalendois (ACT-Wazalendo) is considered the main opposition political party of semi-autonomous Zanzibar. The constitution of Zanzibar requires the party that comes in second in the polls to join a coalition with the winning party. ACT-Wazalendo joined a coalition government with the islands' ruling party Chama Cha Mapinduzi in December 2020 after Zanzibar disputed elections. Geography Zanzibar is one of the Indian Ocean islands. It is situated on the Swahili Coast, adjacent to Tanganyika (mainland Tanzania). The northern tip of Unguja island is located at 5.72 degrees south, 39.30 degrees east, with the southernmost point at 6.48 degrees south, 39.51 degrees east. The island is separated from the Tanzanian mainland by a channel, which at its narrowest point is across. The island is about long and wide, with an area of . Unguja is mainly low lying, with its highest point being . Unguja is characterised by beautiful sandy beaches with fringing coral reefs. The reefs are rich in marine biodiversity. The northern tip of Pemba island is located at 4.87 degrees south, 39.68 degrees east, and the southernmost point is located at 5.47 degrees south, 39.72 degrees east. The island is separated from the Tanzanian mainland by a channel some wide. The island is about long and wide, with an area of . Pemba is also mainly low lying, with its highest point being . Climate Zanzibar has a tropical monsoon climate (Am). The heat of summer (corresponding to the Northern Hemisphere winter) is often cooled by strong sea breezes associated with the northeast monsoon (known as Kaskazi in Kiswahili), particularly on the north and east coasts. Being near to the equator, the islands are warm year round. The rainfall regime is split into two main seasons, a primary maximum in March, April, and May in association with the southwest monsoon (known locally as Kusi in Kiswahili), and a secondary maximum in November and December. The months in