A primary school in Botswana will receive a new school bus this week to save pupils walking miles to school in searing heat, thanks to Pentwyn business CD Gray & Associates. Cardiff civil engineering consultants CD Gray is celebrating its 25th anniversary this year and decided to raise £10,000 towards the cost of providing a new mini bus for Mabele Primary School in Botswana. Glyn Coed Primary School has helped fundraising for the project and filled the bus with gifts…