Odd PHOTOS from a mad, mad world!

A model poses in a floral outfit on the press preview day of the Chelsea Flower Show the show, which has run annually since 1913 in the grounds of the Royal Hospital Chelsea, is open to the public from 19th to 23rd May and is expected to draw around 157,000 visitors. Photograph: Carl Court/Getty Images

Hou Zhenshan, 84-year-old retired worker, practices yoga moves at a studio next to his students in Zhangjiakou, Hebei province, China. Hou has practised yoga for over 30 years, local media reported. Photograph: Reuters

Robot couple Xiaolan (left) and Xiaotao carry trays of food at a restaurant in Jinhua, Zhejiang province, China. The restaurant, which opened on Monday, has two robots delivering food for customers. The robots were designed as a couple, Xiaolan and Xiaotao, according to local media. Photograph: Reuters

A three-storey nail house, the last building in the area, with a Chinese national flag on its rooftop is seen in the middle of a newly-built road in Luoyang, Henan province, China. Photograph: Reuters

Members of the Cyclophonica band play instruments during a ride in Rio de Janeiro. The Cyclophonica band was formed by a group of musicians riding bicycles around the city, mixing sport and culture and entertaining people on the streets, according to its founder Leonardo Fuks. Photograph: Pilar Olivares/Reuters

Mark Marczyk carries his bride Marichka Kudriavtseva down an escalator as their procession walked through Dufferin Mall following their Ukrainian-themed public wedding at Dufferin Grove Park in Toronto. Photograph: Mark Blinch/Reuters

A girl who has cancer poses for a picture before a charity run raising funds for the treatment of children with cancer at the children's hospital in Managua. Photograph: Oswaldo Rivas/Reuters

People take pictures and video as women breastfeed their children during an event to promote breast feeding in Fuzhou, Fujian province, China. According to local media, over 80 mothers participated in the event on Saturday. Photograph: Reuters

People take part in a pillow fight in Ljubljana, Slovenia. The pillow fight is part of fundraising efforts for earthquake-affected victims in Nepal organized by a local radio station. Photograph: Srdjan Zivulovic/ Reuters

A model presents a creation by Maltese hairstylist Chris Galea of Michael and Guy at the Malta Fashion Awards 2015 at the Marsa Shipbuilding warehouse in Marsa, outside Valletta in Malta. Photograph: Darrin Zammit Lupi/Reuters

A visitor poses next to a sculpture made with Lego bricks by US artist Nathan Sawaya during the exhibition 'The Art of The Brick' in Paris. Photograph:Thierry Chesnot/Getty Images