Some newly discovered photos go on show at the Science Museum in London. The images were captured by Herbert Galloway Stuart, an English tutor to Grand Duchess Xenia's sons, between 1908 and 1916. They were unearthed by chance at the National Science and Media Museum in Bradford.
Here's the one that features only Maria and one of her cousins.
Maria, Anastasia, Alexei, one of their cousins, an unknown lady and an officer.