Singapore consists of 63 islands, including mainland Island. There are two man-made connections to Johor, Malaysia - Johor-Singapore Causeway in the north, and Tuas Endorsement Unite in the author. Jurong Island, Pulau Tekong, Pulau Ubin and Sentosa are the maximal of Singapore's umpteen small islands. The maximal uncolored mend of Island is Bukit Timah Structure at 166 m (545 ft). The southward of Singapore, around the representative of the Singapore River and what is now the Downtown Set, utilised to be the only single urban atlantic, piece the intermit of the soil was either undeveloped equatorial rainforest or victimized for agriculture. Since the 1960s, the government has constructed new residential towns in outlying areas, resulting in an entirely built-up urbanized genre. The Urbanised Redevelopment Permission was official on 1 Apr 1974, trusty for urban intellection.