text: //Author: TC Chakraborty
  //website: https://tc25.github.io/
  //Location - Replace with the single geometry for all cities.
  var city = /* color: #98ff00 */ee.FeatureCollection('users/datadrivenlab/cities/cities_2019');
  //Other city files; Amsterdam, Beijing, Berlin, Bangkok, Vancouver, atlanta, barcelona, boston
  
  //Function to map feature collection over
  var addArea = function(feature) {
    return feature.set({area: feature.geometry().area()});
  };
  
  // Map the area getting function over the FeatureCollection.
  var Final = city.map(addArea);
  
  print('First feature: ', Final.first());
  
  //Select relevant properties and exclude geometry from the final csv
  var Final=Final.select({propertySelectors: ['nbhd_code','area'], retainGeometry: false})
  
  
  // Extracting as csvs. 
  Export.table.toDrive({collection: Final, description: 'area_cities', fileFormat: 'CSV'})
  