North-South Carrier
... that the 360 kilometres (220 mi) North-South Carrier is the largest engineering project ever undertaken in Botswana?
... that the <span about="#mwt21" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"360"},"2":{"wt":"km"},"3":{"wt":"mi"}},"i":0}}]}' id="mwAYE" typeof="mw:Transclusion">360 kilometres (220</span><span about="#mwt21" typeof="mw:Entity"> </span><span about="#mwt21">mi)</span> <b id="mwAYI"><a href="./North-South_Carrier" id="mwAYM" rel="mw:WikiLink" title="North-South Carrier">North-South Carrier</a></b> is the largest engineering project ever undertaken in Botswana?