Satellite photos taken last Monday have revealed Ethiopia’s preparations to fill the controversial Great Renaissance Dam (GERD) on the Nile for a fifth time, amid Egyptian fears that this could have a catastrophic effect on the amount of essential Nile water it receives. The Ethiopian filling is expected to take place at the end of July, without any coordination with downstream countries Egypt and Sudan. The Ethiopian dam has been a major point of contention between the three countries for over a decade, with Egypt in particular afraid that it will deprive it of the Nile water its people need …