In pictures: British landmarks from the air

Ordnance Survey surveyors have taken aerial photographs of Britain's landscape since World War One. Last year, they spent 800 hours in the air, covering 190,000 miles of Great Britain and capturing 150,000 images.

Arundel Castle and Cathedral, in the South Downs National Park

Loch Etive, in Argyll

Dundee’s V&A museum, on the banks of the River Tay, opened in 2018

OS planes flying out of East Midlands Airport often pass over Birmingham

One of Britain’s most popular walking sites, on the Jurassic Coast

This uninhabited island located west of the Scottish mainland is one of about 6,000 islands off the coast of Britain

The Portland Bill lighthouse, in West Dorset, is not too many miles away from the Ordnance Survey headquarters, in Southampton

When aviators in flight have a chance to pass over the headquarters of the RAF’s Central Flying School, they do not want to pass up the opportunity

The flying unit often refuel at small airstrips whenever they survey the outer islands off the Scottish coast. This unusual image of a vintage US mail plane was captured last summer at Oban Airport, in Argyll

The Pembrokeshire town of Tenby, with St Catherine’s Island and Napoleonic fort off the coast. The fort doubled as maximum-security prison Sherrinford in the final episode of BBC One’s Sherlock series.

All photographs courtesy Ordnance Survey