const URL = 'https://api.openweathermap.org/data/2.5/weather';
const API_KEY = 'f33a484cf794d08d0148764789aaba32';
<img className="city-icon" src={`https://openweathermap.org/img/wn/${weather.weather[0].icon}@2x.png`} alt={weather.weather[0].description} />