PFH1185161: Thailand: A seup chada (life-extending) ceremony at Wat Chiang Man, Chiang Mai, northern Thailand / Bridgeman Images

PFH1185162: Thailand: A seup chada (life-extending) ceremony at Wat Chiang Man, Chiang Mai, northern Thailand / Bridgeman Images

PFH1185171: Thailand: Monks set up mosquito nets for their night time meditation in front of the great chedi at Wat Chedi Luang, Chiang Mai, northern Thailand / Bridgeman Images

PFH1185181: China: A Purim greetings card from Shanghai, c. 1940s / Bridgeman Images

PFH1185191: Thailand: Khmer-style headstone in the garden of Wat Lok Moli, Chiang Mai, northern Thailand / Bridgeman Images

PFH1185198: Thailand: The main chedi at Wat Phrathat Doi Saket, Chiang Mai, northern Thailand / Bridgeman Images

PFH1185200: Thailand: The main chedi at Wat Phrathat Doi Saket, Chiang Mai, northern Thailand / Bridgeman Images

PFH1185228: Thailand: Burmese-style viharn, Wat Nong Kham (Pa O temple), Chiang Mai, northern Thailand / Bridgeman Images

PFH1185231: Thailand: Delicate black jade Buddha inage in the viharn at Wat Nong Kham (Pa O temple), Chiang Mai, northern Thailand / Bridgeman Images

PFH1185237: China: 'Close of the Engagement at Chin-Hae'. First Opium War (1839-1842), John Ouchterlony, 1844 / Bridgeman Images

PFH1185255: Thailand: Kawila, Chao (King) of Chiang Mai, 1775-1813. First lord of the Chao Chet Ton Dynasty, near the Kawila Barracks, Chiang Mai, northern Thailand / Bridgeman Images

PFH1185258: Thailand: Khuang Singh Monument, Chiang Mai, Northern Thailand / Bridgeman Images

PFH1185289: Taiwan: A detail of the heavy bronze entrance doors at the National Revolutionary Martyrs' Shrine (Zhong Lie Ci), Taipei / Bridgeman Images

PFH1185294: Taiwan: Honour Guard, National Revolutionary Martyrs' Shrine (Zhong Lie Ci) Taipei / Bridgeman Images

PFH1185303: Thailand: The main chedi and ubosot at Wat Phra Singh, Chiang Mai, Northern Thailand c.1990 / Bridgeman Images

PFH1185325: China: 'Moving' advertisement for 'Old Bond Street' fashion store, Shanghai, 1930s. Artwork by Friedrich Schiff, Schiff, Friedrich (1908-1968) / Bridgeman Images

PFH1185337: USA / China: Russell Sturgis (1750 - 1826) was a noted Boston merchant and opium shipper in the China trade / Bridgeman Images

PFH1185347: China: A street scene in Canton (Guangzhou), c. 1850. William (Wilhelm) Heine, 1853 / Bridgeman Images

PFH1185360: China / Vietnam: 'Une fumerie d'opium' (an opium den). Élisée Reclus (1830-1905), c. 1876 / Bridgeman Images

PFH1185365: USA / China: Augustine Heard (1785 - 1868) was an American entrepreneur, businessman and opium trader, the founder of the Augustine Heard & Co. firm in China. / Bridgeman Images

PFH1185372: Thailand: Reclining Buddha statue at Wat Chedi Luang, Chiang Mai, Northern Thailand / Bridgeman Images

PFH1185374: Thailand: The main chedi containing a relic of the Buddha, Wat Suan Dok, Chiang Mai, northern Thailand (c. 1990) / Bridgeman Images

PFH1185377: Thailand: The main great chedi at Wat Chedi Luang lit up at night for a religious ceremony, Chiang Mai, northern Thailand / Bridgeman Images

PFH1185378: Thailand: The main great chedi at Wat Chedi Luang lit up at night for a religious ceremony, Chiang Mai, northern Thailand / Bridgeman Images

PFH1185380: Central Asia: Siyah Kalem School, 15th century, Two demons, one with a horse's leg, the other apparently pursuing, armed with a knife / Bridgeman Images

PFH1185384: Thailand: Statue of old abbot, Wat Phra Singh, Chiang Mai, Northern Thailand / Bridgeman Images

PFH1185386: China: Map of China, Korea, Formosa (Taiwan) and part of Japan published by Anthony Finley, Philadelphia, 1831 / Bridgeman Images

PFH1185388: China: British Admiralty map of The Canton River 'From the City of Canton to the Boca Tigris', 1906 / Bridgeman Images

PFH1185394: China: Baochu Pagoda on Precious Stone Hill overlooking Xi Hu (West Lake), Hangzhou / Bridgeman Images

PFH1185395: China: Baochu Pagoda on Precious Stone Hill overlooking Xi Hu (West Lake), Hangzhou / Bridgeman Images

PFH1185398: China: Yue Fei Mu or Mausoleum of General Yue Fei, Hangzhou / Bridgeman Images

PFH1185403: Burma / Myanmar: An opium weight in the shape of a duck, c. 1900 / Bridgeman Images

PFH1185405: Thailand: An urn-shaped opium weight from Chiang Mai, mid 19th century / Bridgeman Images

PFH1185408: China: Paifang gateway near Yue Fei Mu or Mausoleum of General Yue Fei, Hangzhou / Bridgeman Images

PFH1185419: China: Bells hang from the eaves of Leifeng Pagoda overlooking Xi Hu (West Lake), Hangzhou / Bridgeman Images

PFH1185420: China: View towards the City God Pavilion from the Leifeng Pagoda, Hangzhou / Bridgeman Images