The heat and humidity in Quatar was a lot for the drivers. Personally i don't like summer as it is to hot and humid but the drivers are athletes. The last time i went to Montreal people where fainting and water bottles where very expensive. (This is inhumane) And on UTUBE Caroon chandock said there was no way to make car cooler bar holes in cockpit. Then i thought about it i watch NASCAR CUP racing and they have a AC system in the helmet. A simple hose that goes to a cool box of dry ice. A fan on the other end pulling air in another hose. Fixed to a filter and vent in the side-pod or external body. It keeps the drivers head cool as a hot headed driver can make poor decisions due to lack of concentration.