The countdown is on for one of the highlights of the district’s social calendar – the Advertiser Ladies Day. Thousands of people flock to Southwell Racecourse every year to soak up the atmosphere and all the excitement of the races. Tickets are packages are once again selling fast for this year’s event, which takes place tomorrow (August 18). As always, it offers the chance to experience the style, drama, and atmosphere as exciting live horse racing and stunning Ladies Day fashion combine to create a fun-filled day out. Ladies — and gents — are invited to dress to impress for the occasion. And…