Algae forms in the Reflecting Pool. ‘It’s residual,“ Trump officials say. The Washington PostBefore-and-after photos: Trump’s $14.2m makeover delivers … a blue pool The GuardianTrump says Reflecting Pool shows his plan for D.C., disturbing critics The Washington PostDonald Trump Humiliated by Intrusion in Newly Renovated Reflecting Pool The Daily BeastWill Trump’s Repairs to Washington D.C.’s Reflecting Pool Work? The New York Times