Map from https://www.bing.com/images/search?view=detailV2&ccid=E105jBjW&id=50DC8EFD31256C7BA3009403F5982160AE8E1705&thid=OIP.E105jBjW8yyYvXKEr-ErJwHaEW&mediaurl=https%3a%2f%2fth.bing.com%2fth%2fid%2fR.135d398c18d6f32c98bd7284afe12b27%3frik%3dBReOrmAhmPUDlA%26riu%3dhttp%253a%252f%252fpcwww.liv.ac.uk%252fepidemics%252fImages%252fMaps%252ftropics.gif%26ehk%3daNQ4p588eTp2liNlDdcLG6AqCqZWsUusBn1Q1%252bpgK5c%253d%26risl%3d%26pid%3dImgRaw%26r%3d0&exph=476&expw=811&q=world+map+with+tropics&simid=608045925237204302&FORM=IRPRST&ck=C568A78EFC2776EF77B649E938B37A12&selectedIndex=0&itb=0&adlt=strict&idpp=overlayview&ajaxhist=0&ajaxserp=0
