已故名师 关风翔有一实例记录以下。 Below an old live yang mansion fengshui case extracted from the hand notes of mr kwan fung cheong (already passed away), a highly reputable fengshui master in hong kong since the 60th old days.

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發生兇殺案的住宅研究 (an inauspicious abode (murder) case study)
相宅之法，務須準古酌今，把宅形，宅運；宅主互相配合。亦即是空間；時間；人間的相互關係。空間三度，就是地理環境及其位置，結構及其形狀，方向及用事方位。時間一度，就是住宅的建築完成年代。人間一度，就是宅主的年命及入住的年代。
Yang mansion feng shui application nowadays, as per the proven accurate traditional methods till now the moden living age, would require to look into the mansion shape, mansion yun and mansion owner for matching and analysis. So, this means, the relationship among the space, time and human. The "space" refers to geographical and surrounding environment and the location, the building structure and shape, direction and the the location direction concerned. The "time" refers to the time period when the building contruction is complete for usage and living. The "human" refers to the mansion owner/occupant's birth year life (fall into which 5 elements, or 9 star or or 8 trigram) and the time period (yuan, yun, years) they are living there.
最近有人買得一個住宅單位，延齋主到看，準備裝修及入伙。地點在香港銅鑼灣琉璃街三號，名叫向南樓，係十樓A座。這是高層大廈式，分為三個單位，前面是A座和B座，後面是C座。看的是A座單位，在右邊，為三面單邊，後面是天井及樓梯。地理環境，屬於普通。坐子向午兼壬丙一分，宅門在艮位，主人房在坤位，廚房在乾位，客廳在巽位及震位，飯廳在兌位。
Recently a client bought a residental aparrment unit and appointed me (master kwan) for fengshui advice. The client is in progress of renovation and removal preparation. The apartment address is 香港銅鑼灣琉璃街三號，apartment name is 向南樓，the concerned apartment unit is on 10th floor at block A. The apartment is a high-rise type building , each storey consists of 3 units, two units Block A and B at the front and one unit Block C at their back behind. The one I am expected to look into is Block A whuch locates on the right side. The unit is structured with 3 sides unattached to neighbour units and one side connected to the common yard and staircase location sharing with the other two unit blocks on the same floor. Geographical surrounding environment is nothing special, the unit facing as per luopan is 坐子向午兼壬丙一分, main door position at GEN palace 艮位, master bedroom position at KUN palace坤位，kitchen position at QIAN palace 乾位，sitting hall position at XUN palace 巽位and ZHEN palace震位，dining hall position at DUI palace 兌位。
大廈興建完成是中元六運，齋主說，最初入住的人，是發財後遷出的，建議新宅主裝修，將廚房縮向右下角，使入門處較多迴旋餘地，如此則納氣較，財情有助。齋主又說，左邊B座，現在重門深鎖，似無人居住，但宅門在坎位，凶宅也。
The building belongs to 6th yun 中元六運. Master kwan said, the ex-owner of this apartment unit was having very prosperity luck in money since stayed in, had made a wealth prior to his removal out. Master kwan suggested his client, the new owner for renovation, to reduce the size of the kitchen contracting towards the right low corner, so as to give more space to the main door entrance area for improving the intake and storage of the qi good for wealth. Master kwan said also, the neighbour unit Block B is locked so seems idle and noone living in there , however the main door position at KAN palace 坎位，is considered as an inauspicious and bad luck abode 凶宅也.
A座新宅主謂，這一個單位去年舊曆十二月曾經發生凶殺案。齋主詢問他，B座單位原來居住者是否姓關？余氏謂不錯。
The new owner of block A unit said, last lunar year 12th month a murdering incident had happened in the block B unit.
齋主說，此人係齋主的同族兄弟，名叫楊枝，一九五四年與其兄登枝由越南回港，其父遺產甚豐，兄弟分家後，在香港及九龍購置不少物業收租。去年舊曆十二月某日下午四時，其八歲兒子放學回家，不得其門而入，於是往附近同學家中，撥電話黃竹坑外婆家詢問，外婆謂他的母親未有來，著其次女來接姨甥，帶姨甥到其姊的住宅拍門，久無應聲，心知有異，攜同姨甥落樓下管理處，請管理員往附近找開門鎖的工匠，管理員表示須找得警察到來，方能開門鎖。
Master kwan asked, was the unit owner with surname kwan? The reply was yes. Master kwan said, that unit owner came from the same tribe of him, name 楊枝. 1954 that person came with his brother from Vietnam to Hong Kong, both were inherited rich from their father, therefore owned many properties in Hong Kong. Last lunar year 12th month, one of the day at 4:00pm, his 8 years okd son back home from school but the door was locked and noone responded inside. So the young child went to his schoolmate home nearby to call up his grand mother for help. Her grand mother replied his his mother was not at her place so sent her 2nd daughter to pick up her nephew. This child brought his aunt to the unit knocking door for quite awhile, however still no response. His aunt began worrying so approached the apartment security guard to look for help if any locksmith nearby. The security guard eventually called up the police for assistance.
及至開門鎖後，赫然見有兩屍體，其一為女性，穿紅色睡衣褲，另一為男性，穿恤衫西褲，乃關楊枝夫婦二人，身被數刀，血流遍客廳中，客廳茶几上還有兩杯茶，顯然是相熟的人，到來探訪，不知如何，頓起殺機，致令關楊枝夫婦遭兇殺，但屋內物件沒有凌亂，並非劫匪所為，翌日各報章均有詳細報導，但迄今仍未破案，沉海底。
Finally the door was opened, two dead bodies were found inside, they were the parents of the child. Both were found being stabbed at several place of their bodies so blood was all over the sitting hall. The tea table was still.having two cups of tea, so suspected someone they knew was visiting them, and for unknown reason the visitor triggered the murdering. As inside the unit everything were found tidy and no lost so opted out the possibility of robbering. On subsequent days this murder case was reported in several newspaper in details. However, by now this murder case is still open for investigation.
齋主看過十樓A座用事方位之後，再測發生兇殺案之B座用事方位，因為B座在左邊，宅門在子位，主人房在巽位。雖然重門深鎖，但看過A座的用事方位，可以知道B座的宅內用事方位了，這是從建築結構揣測。
Master kwan based on his understanding on the layout of the 10th floor block A unit, to make an evaluation for the Block B unit. Since the block B unit locates at the left side on 10th floor, the main door position at luopan mountain "ZI" 子位，master bedroom at XUN巽位。
上面兩圖所示，A座雖未合天心正運，但宅門進氣，雙星到向，合七星打劫之法，震離乾三方為三六九，離方開朗，乾方為廚房，震方之氣雖不通，但原日居住的人，在震方客廳裝玻璃鏡，故能協吉。
Although by now (7th YUN) the Block A unit is no longer at the timely Yun, the main door at GEN palace is still taking the good qi, with the double stars in front雙星到向, matched with 7 stars robbing method 七星打劫， ZHEN LI QIAN palaces with yun stars 3,6,9, Li Side is no blocking, QIAN side is kitchen, ZHEN side is the sitting hall installed with mirror, all these would enable prosperity and good luck.
B座宅門在五黃大殺之位，主人房在二黑病符之位，廚房在「57九」之位，金火相戰。去年舊曆丙寅年災煞臨宅門，十二月五黃大煞又復到門，凶禍不免。為什麼夫婦二人同遭兇殺？因為宅門「75二」，乾與兌是後天夫婦，因為主婦是續娶的。且有兇手二人入宅的卦象。宅主係一九二六年丙寅歲出生，屬中元坤命，居坎宅，乃係西命人居東宅，且又三煞五黃交攻，致遭凶禍，惜哉！
As for the Block B unit, main door at the 5 yellow killing star location五黃大殺位, master bedroom at 2 black sickness star location 二黑病符位, kitchen at 「57九」位 where fire fights against metal 金火相戰。Last lunar year 丙寅年 "災煞"臨" "disiaster star arrived main door 宅門，in lunar 12th month the 5 yellow again came to the main door , so severe harmful and bad lucks would be unavoidable. Why the couple were the victims? Because the main door flyingstars were 「75二」，QIAN and DUI as per laterly heaven 8 trigrams are couple, 乾與兌是後天夫婦，due to the lady was his 2nd wife 因為主婦是續娶的。besides, there was gua sign showing 2 murderers entered into the resident unit. The owner was born in 1962丙寅 ，belongs to KUN qua life 中元坤命，live in a KAN mansion 坎宅，would be a West life person live in an East mansion 西命人居東宅，along with also the 3-killing 三煞 and 5-yellow 五黃 harmful qi attracking，into such dreadful consequence.