30 March 2026, United Kingdom, Irthlingborough: A 'ghost' of winter gnats dance as they perform their courtship ritual in the sunshine along the River Nene near Irthlingborough, Northamptonshire. Winter gnats are one of the few insects active during the colder months and the 'ghost' is made up of thousands of males, rising and falling until a female arrives and a successful pair drops away to mate. leer más Photo: Joe Giddens/PA Wire/dpa leer menos