reduced the water's oxygen levels in the rivers swarms could be next the oxygen for water means that botulism bacteria develops which can poison . another and spent most of its history shielding itself from water but right now it's facing a shortage because of that to heat wave in europe and that's causing problems for its important system of dykes and can ours as fairlands part explains. with more than half their country below sea level the dutch have spent centuries mastering the technique of keeping the water out this summer however they find themselves running dry the netherlands like most of northern europe is experiencing the heat wave. persistent high temperatures combined with a lack of rain have resulted in a record breaking drought but unlike other countries it's not a shortage of drinking water that worries people here the most important task in times of drought rests upon the shoulders of the local dike or flood barrier inspectors i was entering we were going to lie so we have the lowest point in the netherlands checking on the dikes which are vulnerable to drought. during a droug

food illness such as botulism is hop titus a, infection and samonella and it's much higher in fact in o 2011, 85 cases of samonella were reported to have been consumed animal track in alberta, canada. food truck also is much more and they don't have the luxury of being in containing buildings. this means flies, more pests, more problems, even more even when the mobile is not in use. any numbers of i have a very strong case that estimates that 48 millions of people get sick. 128,000 are hospitalized and 3,000 people die each year of food-related illness. not only my concern is the birds. many of you had probably walk around downtown with the food vendors are there are pigeons everywhere. the biggest problem with the pigeons is the drippings. there are many different types and the mess that they can make is difficult to remove and it causes a slip and accidents also occur and then of course, the human pathogens. it's my major concern and one way to understand the risk of the bird drippings opposed to the humans is to look and how common this is can be transmitted through contact with bi