such restrictions, provided they are proportionate and reasonable. Right to family life Article 10 of the Covenant recognises the family as "the natural and fundamental group unit of society", and requires parties to accord it "the widest possible protection and assistance". Parties must ensure that their citizens are free to establish families and that marriages are freely contracted and not forced. Parties must also provide paid leave or adequate social security to mothers before and after childbirth, an obligation which overlaps with that of Article 9. Finally, parties must take "special measures" to protect children from economic or social exploitation, including setting a minimum age of employment and barring children from dangerous and harmful occupations. Right to an adequate standard of living Article 11 recognises the right to an adequate standard of living. This includes, but is not limited to, the right to adequate food, clothing, housing, and "the continuous improvement of living conditions". It also creates an obligation on parties to work together to eliminate world hunger. The right to adequate food, also referred to as the right to food, is interpreted as requiring "the availability of food in a quantity and quality sufficient to satisfy the dietary needs of individuals, free from adverse substances, and acceptable within a given culture". This must be accessible to all, implying an obligation to provide special programmes for the vulnerable. This must also ensure an equitable distribution of world food supplies in relation to need, taking into account the problems of food-importing and food-exporting countries.<ref>'ICESCR, Article 11, 2 (b)</ref> The right to adequate food also implies a right to water. The right to adequate housing, also referred to as the right to housing, is "the right to live somewhere in security, peace and dignity." It requires "adequate privacy, adequate space, adequate security, adequate lighting and ventilation, adequate basic infrastructure and adequate location with regard to work and basic facilities – all at a reasonable cost." Parties must ensure security of tenure and that access is free of discrimination, and progressively work to eliminate homelessness. Forced evictions, defined as "the permanent or temporary removal against their will of individuals, families and/or communities from the homes and/or land which they occupy, without the provision of, and access to, appropriate forms of legal or other protection," are a prima facie violation of the Covenant. The right to adequate clothing, also referred to as the right