please edit the paragraph to be logical.
Construction on the dam began in 2007, the river was diverted in January 2009. Construction was briefly halted in June 2009 by the Ministry of Environmental Protection after it was being constructed without approval.
Construction on the dam began in 2007, the river was diverted in January 2009 but construction was briefly halted in June 2009 by the Ministry of Environmental Protection after it was being constructed without approval.