The annual production of Calabash Cisterns in Guinea-Bissau has remained at the same level; internationally the distribution of cisterns has increased. The Calabash Cistern is now being built in 11 African countries, as a result of our training courses. In five of the eleven countries, including Guinea Bissau, 462 cisterns were built with our support. In other countries, 268 Calabash Cisterns were manufactured independently: Nigeria, DR Congo, Tanzania, Madagascar, Ghana and Mexico. In these countries, centres are developing that now build cisterns independently.
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