Protesters accuse government contractors of using cheap materials

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as Nepal marks the third anniversary of the tremor, which damaged more than half a million homes and other buildings, local groups are protesting over what they see as a lack of transparency in the reconstruction process and the use of unconventional materials to rebuild heritage sites.

In December, the reconstruction of Rani Pokhari, or the Queen's Pond, a 17th century landmark, was halted after conservationists found that the contractor was using cement instead of traditional materials. At Bungamati, an ancient town on the southern outskirts of Kathmandu, locals have complained that contractors rebuilding three temples have not faithfully followed original designs.

Conservationists and members of the indigenous Newar people, who are patrons of the temples and live close by, worry that the government is flouting international heritage standards because of pressure to rebuild quickly. Some say that could prompt the United Nations Educational, Scientific and Cultural Organization to delist some of Nepal's four World Heritage sites, which would deal a blow to tourism.

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