A cooling apparatus (100,500) for cooling a waterflow, the cooling apparatus (100,500) comprising: a counterflow evaporative cooler (110,310,410,510) adapted to cool the waterflow therethrough, a crossflow evaporative cooler (120,320,420,520) adapted to receive and further cool the waterflow from the counterflow evaporative cooler (110,310,410,510) therethrough longitudinally, wherein the crossflow evaporative cooler (120,320,420,520) is adapted to receive an airflow to flow laterally therethrough to further cool the cooled waterflow therethrough forming a crossflow with the cooled waterflow, and the counterflow evaporative cooler (110,310,410,510) is adapted to receive the cooled airflow therethrough longitudinally from the crossflow evaporative cooler (120,320,420,520) to cool the waterflow therethrough, and a deflector (130,330,430,530) disposed between the counterflow evaporative cooler (110,310,410,510) and the crossflow evaporative cooler (120,320,420,520) and adapted to deflect the cooled waterflow from the counterflow evaporative cooler (110,310,410,510) to the top position of the crossflow evaporative cooler (120,320,420,520) and allow the cooled airflow to flow from the crossflow evaporative cooler (120,320,420,520) to the counterflow evaporative cooler (110,310,410,510) therethrough, and separate the cooled airflow exiting the crossflow evaporative cooler (120,320,420,520) from the cooled waterflow entering the crossflow evaporative cooler (120,320,420,520), wherein the cooled airflow from the crossflow evaporative cooler (120,320,420,520) is directed through the deflector to the counterflow evaporative cooler (110,310,410,510), wherein the cooled waterflow is cooled further by the cooled airflow before entering the crossflow evaporative cooler (120,320,420,520) such that the temperature of the further cooled waterflow entering the crossflow evaporative cooler (120,320,420,520) is lower than the temperature of the waterflow exiting the counterflow evaporative cooler. a counterflow evaporative cooler (110,310,410,510) adapted to cool the waterflow therethrough, a crossflow evaporative cooler (120,320,420,520) adapted to receive and further cool the waterflow from the counterflow evaporative cooler (110,310,410,510) therethrough longitudinally, wherein the crossflow evaporative cooler (120,320,420,520) is adapted to receive an airflow to flow laterally therethrough to further cool the cooled waterflow therethrough forming a crossflow with the cooled waterflow, and the counterflow evaporative cooler (110,310,410,510) is adapted to receive the cooled airflow therethrough longitudinally from the crossflow evaporative cooler (120,320,420,520) to cool the waterflow therethrough, and a deflector (130,330,430,530) disposed between the counterflow evaporative cooler (110,310,410,510) and the crossflow evaporative cooler (120,320,420,520) and adapted to deflect the cooled waterflow from the counterflow evaporative cooler (110,310,410,510) to the top position of the crossflow evaporative cooler (120,320,420,520) and allow the cooled airflow to flow from the crossflow evaporative cooler (120,320,420,520) to the counterflow evaporative cooler (110,310,410,510) therethrough, and separate the cooled airflow exiting the crossflow evaporative cooler (120,320,420,520) from the cooled waterflow entering the crossflow evaporative cooler (120,320,420,520), wherein the cooled airflow from the crossflow evaporative cooler (120,320,420,520) is directed through the deflector to the counterflow evaporative cooler (110,310,410,510), wherein the cooled waterflow is cooled further by the cooled airflow before entering the crossflow evaporative cooler (120,320,420,520) such that the temperature of the further cooled waterflow entering the crossflow evaporative cooler (120,320,420,520) is lower than the temperature of the waterflow exiting the counterflow evaporative cooler.