shaimaa khalil, bbc news, at mount fuji. the chelsea flower show opens to the public on tuesday. 0n the eve of the grand opening, king charles and queen camilla got a sneak preview. earlier, the king was announced as the new patron of the royal horticultural society — taking overfrom his late mother, who was patron for 70 years. 0ur royal correspondent daniela relph reports. a first visit to the most famous of flower shows in his new role as patron of the royal horticultural society. the king, the keenest of gardeners himself, will cast an expert eye over this year's crop of show gardens and exhibits. what he'll see this evening is a focus on the next generation of gardeners. for the first time, children will be judges at chelsea — 72 in all — selecting the children's choice garden. we're going around gardens and judging them to see if we like them or not and, like, the meanings behind it and stuff. to be honest, the best garden so far has been this one. it's like... it has everything a really good garden needs. a plac