access
...that in China, access to water supply and sanitation varies greatly between rural areas, where only 67% of the population has access to improved water supply, and cities, where 93% does?
...that in <a class="mw-redirect" href="./People's_Republic_of_China" id="mwUg" rel="mw:WikiLink" title="People's Republic of China">China</a>, <b id="mwUw"><a class="mw-redirect" href="./Water_supply_and_sanitation_in_the_People's_Republic_of_China" id="mwVA" rel="mw:WikiLink" title="Water supply and sanitation in the People's Republic of China">access</a></b> to <a href="./Water_supply" id="mwVQ" rel="mw:WikiLink" title="Water supply">water supply</a> and <a href="./Sanitation" id="mwVg" rel="mw:WikiLink" title="Sanitation">sanitation</a> varies greatly between rural areas, where only 67% of the population has access to improved water supply, and cities, where 93% does?