Royal Observatory offering less than half-price tickets in June

The Royal Observatory in Greenwich is slashing the cost of a visit this month, with heavily discounted entry available every Tuesday in June.
Greenwich Royal Observatory (c) ianVisits
Usually, tickets to the hilltop attraction cost £24 for adults and £12 for children, but on Tuesdays in June, everyone can visit for a flat rate of £10 per person.
Perched above Greenwich Park, the Royal Observatory is one of London’s most significant scientific landmarks. It is the home of